diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0e9cb4d7..48adba30 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -25,27 +25,27 @@ jobs:
   # Job(s) with Linux OS
   venv_build:
     docker:
-      - image: circleci/python:3.8
+      - image: cimg/python:3.10
     working_directory: ~/repo
     steps:
       - checkout
       - restore_cache:
-          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}
+          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v2
       - run:
           name: Install requirements in venv
           command: make venv_build_test
       - save_cache:
-          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}
+          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v2
           paths:
             - ./venv
   venv_pytest:
     docker:
-      - image: circleci/python:3.8
+      - image: cimg/python:3.10
     working_directory: ~/repo
     steps:
       - checkout
       - restore_cache:
-          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}
+          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v2
       - run:
           name: Run tests with venv
           command: make venv_test
@@ -56,46 +56,49 @@ jobs:
           path: test-reports/
   venv_lint:
     docker:
-      - image: circleci/python:3.8
+      - image: cimg/python:3.10
     working_directory: ~/repo
     steps:
       - checkout
       - restore_cache:
-          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}
+          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v2
       - run:
           name: Run linter with venv
           command: make venv_lint
-  tox-py37-core:
+  tox-py310-core:
     <<: *tox_common
     docker:
-      - image: circleci/python:3.7
+      - image: cimg/python:3.10
         environment:
-          TOXENV: py37-core
+          TOXENV: py310-core
   tox-py38-core:
     <<: *tox_common
     docker:
-      - image: circleci/python:3.8
+      - image: cimg/python:3.8
         environment:
           TOXENV: py38-core
-  tox-py37-script:
+  tox-py310-script:
     <<: *tox_common
     docker:
-      - image: circleci/python:3.7
+      - image: cimg/python:3.10
         environment:
-          TOXENV: py37-script
+          TOXENV: py310-script
   tox-py38-script:
     <<: *tox_common
     docker:
-      - image: circleci/python:3.8
+      - image: cimg/python:3.8
         environment:
           TOXENV: py38-script
   # Job(s) with Windows OS
-  win-py37-script:
+  win-py310-script:
     executor:
       name: win/default
       shell: powershell.exe
     steps:
       - checkout
+      - run:
+          name: "Install Python"
+          command: choco install python --version=3.10.3
       - run:
           name: Install testing requirements on Windows
           command: python -m pip install -r requirements_test.txt
@@ -104,15 +107,15 @@ jobs:
           command: python ./test_deposit_script.py
   build-linux-amd64:
     machine:
-      image: ubuntu-1604:202007-01
+      image: ubuntu-2004:202201-02
     working_directory: ~/repo
     steps:
       - checkout
       - run:
           name: Install building requirements on Linux
           command: |
-            env PYTHON_CONFIGURE_OPTS="--enable-shared" pyenv install 3.7.5;
-            pyenv global 3.7.5;
+            env PYTHON_CONFIGURE_OPTS="--enable-shared" pyenv install -f 3.10.2;
+            pyenv global 3.10.2;
             pip install -r ./build_configs/linux/requirements.txt;
       - run:
           name: Build with build.spec
@@ -121,7 +124,7 @@ jobs:
             export CIRCLE_SHORT_SHA1=$(eval echo $CIRCLE_SHA1 | cut -c -7)
             export BUILD_FILE_NAME=staking_deposit-cli-${CIRCLE_SHORT_SHA1}-linux-amd64;
             mkdir ${BUILD_FILE_NAME};
-            pyenv global 3.7.5;
+            pyenv global 3.10.2;
             pyinstaller --distpath ./${BUILD_FILE_NAME} ./build_configs/linux/build.spec;
       - run:
           name: Test executable binaries
@@ -149,7 +152,7 @@ jobs:
           path: /tmp/artifacts
   build-linux-arm64:
     machine:
-      image: ubuntu-2004:202101-01
+      image: ubuntu-2004:202201-02
     resource_class: arm.medium
     working_directory: ~/repo
     steps:
@@ -157,8 +160,8 @@ jobs:
       - run:
           name: Install building requirements on Linux ARM64
           command: |
-            env PYTHON_CONFIGURE_OPTS="--enable-shared" pyenv install 3.7.5;
-            pyenv global 3.7.5;
+            env PYTHON_CONFIGURE_OPTS="--enable-shared" pyenv install -f 3.10.2;
+            pyenv global 3.10.2;
             pip install -r ./build_configs/linux/requirements.txt;
       - run:
           name: Build with build.spec
@@ -167,7 +170,7 @@ jobs:
             export CIRCLE_SHORT_SHA1=$(eval echo $CIRCLE_SHA1 | cut -c -7)
             export BUILD_FILE_NAME=staking_deposit-cli-${CIRCLE_SHORT_SHA1}-linux-arm64;
             mkdir ${BUILD_FILE_NAME};
-            pyenv global 3.7.5;
+            pyenv global 3.10.2;
             pyinstaller --distpath ./${BUILD_FILE_NAME} ./build_configs/linux/build.spec;
       - run:
           name: Test executable binaries
@@ -198,6 +201,9 @@ jobs:
       shell: powershell.exe
     steps:
       - checkout
+      - run:
+          name: "Install Python"
+          command: choco install python --version=3.10.3
       - run:
           name: Install building requirements on Windows
           command: pip install -r ./build_configs/windows/requirements.txt
@@ -292,11 +298,11 @@ workflows:
       - venv_lint:
           requires:
             - venv_build
-      - tox-py37-core
+      - tox-py310-core
       - tox-py38-core
-      - tox-py37-script
+      - tox-py310-script
       - tox-py38-script
-      - win-py37-script
+      - win-py310-script
   build_linux:
     jobs:
       - build-linux-amd64
diff --git a/Dockerfile b/Dockerfile
index 73039d74..265ebf55 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7-alpine
+FROM python:alpine3.14
 
 WORKDIR /app
 
diff --git a/README.md b/README.md
index 45d732a2..d5264b58 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@
 
 ## Introduction
 
-`deposit-cli` is a tool for creating [EIP-2335 format](https://eips.ethereum.org/EIPS/eip-2335) BLS12-381 keystores and a corresponding `deposit_data*.json` file for [Ethereum 2.0 Launchpad](https://github.com/ethereum/staking-launchpad).
+`deposit-cli` is a tool for creating [EIP-2335 format](https://eips.ethereum.org/EIPS/eip-2335) BLS12-381 keystores and a corresponding `deposit_data*.json` file for [Ethereum Staking Launchpad](https://github.com/ethereum/staking-launchpad).
 
 - **Warning: Please generate your keystores on your own safe, completely offline device.**
 - **Warning: Please backup your mnemonic, keystores, and password securely.**
@@ -81,7 +81,7 @@ You can find the audit report by Trail of Bits [here](https://github.com/trailof
 
 ### Build requirements
 
-- [Python **3.7+**](https://www.python.org/about/gettingstarted/)
+- [Python **3.8+**](https://www.python.org/about/gettingstarted/)
 - [pip3](https://pip.pypa.io/en/stable/installing/)
 
 ### For Linux or MacOS users
@@ -170,7 +170,7 @@ Your keys can be found at: <YOUR_FOLDER_PATH>
 
 ##### Step 0. Python version checking
 
-Ensure you are using Python version >= Python3.7:
+Ensure you are using Python version >= Python3.8:
 
 ```sh
 python3 -V
@@ -234,7 +234,7 @@ See [here](#successful-message)
 
 ##### Step 0. Python version checking
 
-Ensure you are using Python version >= Python3.7:
+Ensure you are using Python version >= Python3.8:
 
 ```sh
 python3 -V
@@ -381,7 +381,7 @@ See [here](#existing-mnemonic-arguments) for `existing-mnemonic` arguments
 
 ##### Step 0. Python version checking
 
-Ensure you are using Python version >= Python3.7 (Assume that you've installed Python 3 as the main Python):
+Ensure you are using Python version >= Python3.8 (Assume that you've installed Python 3 as the main Python):
 
 ```sh
 python -V
@@ -443,7 +443,7 @@ See [here](#existing-mnemonic-arguments) for `existing-mnemonic` arguments
 
 ##### Step 0. Python version checking
 
-Ensure you are using Python version >= Python3.7 (Assume that you've installed Python 3 as the main Python):
+Ensure you are using Python version >= Python3.8 (Assume that you've installed Python 3 as the main Python):
 
 ```cmd
 python -V
@@ -531,5 +531,5 @@ python3 -m pytest .
 👋This is not the section you are looking for.👋
 If you are trying to **build the binary** on macos with an M1 Mac and you are using pyenv to manage your python version. You'll probably need to reinstall a given python version using:
 ```
-env PYTHON_CONFIGURE_OPTS="--enable-framework" pyenv install 3.10.2
-```
\ No newline at end of file
+env PYTHON_CONFIGURE_OPTS="--enable-framework" pyenv install 3.10.3
+```
diff --git a/build_configs/linux/requirements.txt b/build_configs/linux/requirements.txt
index 28b6bb3c..bd943ea1 100644
--- a/build_configs/linux/requirements.txt
+++ b/build_configs/linux/requirements.txt
@@ -2,21 +2,21 @@
 -r ../../requirements.txt
 
 # Build tools for binary distribution
-pyinstaller==4.8 \
-    --hash=sha256:15d9266d78dc757c103962826e62bce1513825078160be580534ead2ef53087c \
-    --hash=sha256:44783d58ac4cb0a74a4f2180da4dacbe6a7a013a62b3aa10be6082252e296954 \
-    --hash=sha256:4c848720a65a5bd41249bc804d1bd3dd089bb56aef7f1c5e11f774f11e649443 \
-    --hash=sha256:53ed05214dd67624756fe4e82e861857921a79d0392debf8c9f5bb0ba5a479b6 \
-    --hash=sha256:5c2fd5f18c0397f3d9160446035556afc7f6446fd88048887fdf46eadf85c5ec \
-    --hash=sha256:6f5cdc39fbdec7b2e0c46cc0f5bd0071bb85e592e324bf4e15375c5ff19e55fc \
-    --hash=sha256:7ae868bbcc502832a2c802c84a1dbb9f48b44445c50144c29bfcd7b760140e13 \
-    --hash=sha256:9fbb05f5f67862005234da8c7eac69ef87e086f90e345749260051b031774c52 \
-    --hash=sha256:b0b3a31aa60292469f9595f298e2c147cba29c30edcd92a38fdce27727809625 \
-    --hash=sha256:b720853a00bd9547b7d6403d85f23b7f7e451e41bc907673d9fc7f8d9d274594 \
-    --hash=sha256:f00e1296abac71f3b5bb9fdc2e0d4c079201d62faeeeb894ccadd0616179fee3
-setuptools==49.2.0 \
-    --hash=sha256:272c7f48f5cddc5af5901f4265274c421c7eede5c8bc454ac2903d3f8fc365e9 \
-    --hash=sha256:afe9e81fee0270d3f60d52608549cc8ec4c46dada8c95640c1a00160f577acf2
+pyinstaller==4.10 \
+    --hash=sha256:05c21117b84199272ebd355b556af4714f6e79245e1c435d6f16653786d7d17e \
+    --hash=sha256:0dcaf6557cdb2da763c46e06e95a94a7634ab03fb09d91bc77988b01ee05c907 \
+    --hash=sha256:15557cd1a79d182967f0a5040750e6902e13ebd6cab41e3ed84d7b28a306357b \
+    --hash=sha256:581620bdcd32f01e89b13231256b807bb090e7eadf40c81c864ec402afa4758a \
+    --hash=sha256:70c71e827f4b34602cbc7a0947a067b662c1cbdc4db51832e13b97cca3c54dd7 \
+    --hash=sha256:714c4dcc319a41416744d1e30c6317405dfaed80d2adc45f8bfa70dc7367e664 \
+    --hash=sha256:7749c868d2e2dc84df7d6f65437226183c8a366f3a99bb2737785625c3a3cca1 \
+    --hash=sha256:7d94518ba1f8e9a8577345312276891ad7d6cd9785e453e9951b35647e2c7078 \
+    --hash=sha256:cfed0b3a43e73550a43a094610328109564710b9514afa093ef7199d072cae87 \
+    --hash=sha256:d4f79c0a774451f12baca4e476376418f011fa3039dde8fd172ea2aa8ff67bad \
+    --hash=sha256:f2166ff2cd95eefb0d377ae8d1071f186fa25edd410ede65b376162d5ec41909
+setuptools==60.9.3 \
+    --hash=sha256:2347b2b432c891a863acadca2da9ac101eae6169b1d3dfee2ec605ecd50dbfe5 \
+    --hash=sha256:e4f30b9f84e5ab3decf945113119649fec09c1fc3507c6ebffec75646c56e62b
 cffi==1.15.0 \
     --hash=sha256:00c878c90cb53ccfaae6b8bc18ad05d2036553e6d9d1d9dbcf323bbe83854ca3 \
     --hash=sha256:0104fb5ae2391d46a4cb082abdd5c69ea4eab79d8d44eaaf79f1b1fd806ee4c2 \
@@ -68,25 +68,24 @@ cffi==1.15.0 \
     --hash=sha256:f6f824dc3bce0edab5f427efcfb1d63ee75b6fcb7282900ccaf925be84efb0fc \
     --hash=sha256:fd8a250edc26254fe5b33be00402e6d287f562b6a5b2152dec302fa15bb3e997 \
     --hash=sha256:ffaa5c925128e29efbde7301d8ecaf35c8c60ffbcd6a1ffd3a552177c8e5e796
-pycparser==2.20 \
-    --hash=sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0 \
-    --hash=sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705
-altgraph==0.17 \
-    --hash=sha256:1f05a47122542f97028caf78775a095fbe6a2699b5089de8477eb583167d69aa \
-    --hash=sha256:c623e5f3408ca61d4016f23a681b9adb100802ca3e3da5e718915a9e4052cebe
-macholib==1.14 \
-    --hash=sha256:0c436bc847e7b1d9bda0560351bf76d7caf930fb585a828d13608839ef42c432 \
-    --hash=sha256:c500f02867515e6c60a27875b408920d18332ddf96b4035ef03beddd782d4281
-pyinstaller-hooks-contrib==2022.0 \
-    --hash=sha256:29f0bd8fbb2ff6f2df60a0c147e5b5ad65ae5c1a982d90641a5f712de03fa161 \
-    --hash=sha256:61b667f51b2525377fae30793f38fd9752a08032c72b209effabf707c840cc38
-importlib-metadata==3.10.0 \
-    --hash=sha256:c9db46394197244adf2f0b08ec5bc3cf16757e9590b02af1fca085c16c0d600a \
-    --hash=sha256:d2d46ef77ffc85cbf7dac7e81dd663fde71c45326131bea8033b9bad42268ebe
-zipp==3.4.1 \
-    --hash=sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76 \
-    --hash=sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098
-typing-extensions==3.7.4.3 \
-    --hash=sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918 \
-    --hash=sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c \
-    --hash=sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f
+pycparser==2.21 \
+    --hash=sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9 \
+    --hash=sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206
+altgraph==0.17.2 \
+    --hash=sha256:743628f2ac6a7c26f5d9223c91ed8ecbba535f506f4b6f558885a8a56a105857 \
+    --hash=sha256:ebf2269361b47d97b3b88e696439f6e4cbc607c17c51feb1754f90fb79839158
+macholib==1.15.2 \
+    --hash=sha256:1542c41da3600509f91c165cb897e7e54c0e74008bd8da5da7ebbee519d593d2 \
+    --hash=sha256:885613dd02d3e26dbd2b541eb4cc4ce611b841f827c0958ab98656e478b9e6f6
+pyinstaller-hooks-contrib==2022.2 \
+    --hash=sha256:7605e440ccb55904cb2a87d72e83642ef176fb7030c77e52ac4d9679bb3d1537 \
+    --hash=sha256:ab1d14fe053016fff7b0c6aea51d980bac6d02114b04063b46ef7dac70c70e1e
+importlib-metadata==4.11.3 \
+    --hash=sha256:1208431ca90a8cca1a6b8af391bb53c1a2db74e5d1cef6ddced95d4b2062edc6 \
+    --hash=sha256:ea4c597ebf37142f827b8f39299579e31685c31d3a438b59f469406afd0f2539
+zipp==3.7.0 \
+    --hash=sha256:9f50f446828eb9d45b267433fd3e9da8d801f614129124863f9c51ebceafb87d \
+    --hash=sha256:b47250dd24f92b7dd6a0a8fc5244da14608f3ca90a5efcd37a3b1642fac9a375
+typing-extensions==4.1.1 \
+    --hash=sha256:1a9462dcc3347a79b1f1c0271fbe79e844580bb598bafa1ed208b94da3cdcd42 \
+    --hash=sha256:21c85e0fe4b9a155d0799430b0ad741cdce7e359660ccbd8b530613e8df88ce2
diff --git a/build_configs/macos/requirements.txt b/build_configs/macos/requirements.txt
index 28b6bb3c..bd943ea1 100644
--- a/build_configs/macos/requirements.txt
+++ b/build_configs/macos/requirements.txt
@@ -2,21 +2,21 @@
 -r ../../requirements.txt
 
 # Build tools for binary distribution
-pyinstaller==4.8 \
-    --hash=sha256:15d9266d78dc757c103962826e62bce1513825078160be580534ead2ef53087c \
-    --hash=sha256:44783d58ac4cb0a74a4f2180da4dacbe6a7a013a62b3aa10be6082252e296954 \
-    --hash=sha256:4c848720a65a5bd41249bc804d1bd3dd089bb56aef7f1c5e11f774f11e649443 \
-    --hash=sha256:53ed05214dd67624756fe4e82e861857921a79d0392debf8c9f5bb0ba5a479b6 \
-    --hash=sha256:5c2fd5f18c0397f3d9160446035556afc7f6446fd88048887fdf46eadf85c5ec \
-    --hash=sha256:6f5cdc39fbdec7b2e0c46cc0f5bd0071bb85e592e324bf4e15375c5ff19e55fc \
-    --hash=sha256:7ae868bbcc502832a2c802c84a1dbb9f48b44445c50144c29bfcd7b760140e13 \
-    --hash=sha256:9fbb05f5f67862005234da8c7eac69ef87e086f90e345749260051b031774c52 \
-    --hash=sha256:b0b3a31aa60292469f9595f298e2c147cba29c30edcd92a38fdce27727809625 \
-    --hash=sha256:b720853a00bd9547b7d6403d85f23b7f7e451e41bc907673d9fc7f8d9d274594 \
-    --hash=sha256:f00e1296abac71f3b5bb9fdc2e0d4c079201d62faeeeb894ccadd0616179fee3
-setuptools==49.2.0 \
-    --hash=sha256:272c7f48f5cddc5af5901f4265274c421c7eede5c8bc454ac2903d3f8fc365e9 \
-    --hash=sha256:afe9e81fee0270d3f60d52608549cc8ec4c46dada8c95640c1a00160f577acf2
+pyinstaller==4.10 \
+    --hash=sha256:05c21117b84199272ebd355b556af4714f6e79245e1c435d6f16653786d7d17e \
+    --hash=sha256:0dcaf6557cdb2da763c46e06e95a94a7634ab03fb09d91bc77988b01ee05c907 \
+    --hash=sha256:15557cd1a79d182967f0a5040750e6902e13ebd6cab41e3ed84d7b28a306357b \
+    --hash=sha256:581620bdcd32f01e89b13231256b807bb090e7eadf40c81c864ec402afa4758a \
+    --hash=sha256:70c71e827f4b34602cbc7a0947a067b662c1cbdc4db51832e13b97cca3c54dd7 \
+    --hash=sha256:714c4dcc319a41416744d1e30c6317405dfaed80d2adc45f8bfa70dc7367e664 \
+    --hash=sha256:7749c868d2e2dc84df7d6f65437226183c8a366f3a99bb2737785625c3a3cca1 \
+    --hash=sha256:7d94518ba1f8e9a8577345312276891ad7d6cd9785e453e9951b35647e2c7078 \
+    --hash=sha256:cfed0b3a43e73550a43a094610328109564710b9514afa093ef7199d072cae87 \
+    --hash=sha256:d4f79c0a774451f12baca4e476376418f011fa3039dde8fd172ea2aa8ff67bad \
+    --hash=sha256:f2166ff2cd95eefb0d377ae8d1071f186fa25edd410ede65b376162d5ec41909
+setuptools==60.9.3 \
+    --hash=sha256:2347b2b432c891a863acadca2da9ac101eae6169b1d3dfee2ec605ecd50dbfe5 \
+    --hash=sha256:e4f30b9f84e5ab3decf945113119649fec09c1fc3507c6ebffec75646c56e62b
 cffi==1.15.0 \
     --hash=sha256:00c878c90cb53ccfaae6b8bc18ad05d2036553e6d9d1d9dbcf323bbe83854ca3 \
     --hash=sha256:0104fb5ae2391d46a4cb082abdd5c69ea4eab79d8d44eaaf79f1b1fd806ee4c2 \
@@ -68,25 +68,24 @@ cffi==1.15.0 \
     --hash=sha256:f6f824dc3bce0edab5f427efcfb1d63ee75b6fcb7282900ccaf925be84efb0fc \
     --hash=sha256:fd8a250edc26254fe5b33be00402e6d287f562b6a5b2152dec302fa15bb3e997 \
     --hash=sha256:ffaa5c925128e29efbde7301d8ecaf35c8c60ffbcd6a1ffd3a552177c8e5e796
-pycparser==2.20 \
-    --hash=sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0 \
-    --hash=sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705
-altgraph==0.17 \
-    --hash=sha256:1f05a47122542f97028caf78775a095fbe6a2699b5089de8477eb583167d69aa \
-    --hash=sha256:c623e5f3408ca61d4016f23a681b9adb100802ca3e3da5e718915a9e4052cebe
-macholib==1.14 \
-    --hash=sha256:0c436bc847e7b1d9bda0560351bf76d7caf930fb585a828d13608839ef42c432 \
-    --hash=sha256:c500f02867515e6c60a27875b408920d18332ddf96b4035ef03beddd782d4281
-pyinstaller-hooks-contrib==2022.0 \
-    --hash=sha256:29f0bd8fbb2ff6f2df60a0c147e5b5ad65ae5c1a982d90641a5f712de03fa161 \
-    --hash=sha256:61b667f51b2525377fae30793f38fd9752a08032c72b209effabf707c840cc38
-importlib-metadata==3.10.0 \
-    --hash=sha256:c9db46394197244adf2f0b08ec5bc3cf16757e9590b02af1fca085c16c0d600a \
-    --hash=sha256:d2d46ef77ffc85cbf7dac7e81dd663fde71c45326131bea8033b9bad42268ebe
-zipp==3.4.1 \
-    --hash=sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76 \
-    --hash=sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098
-typing-extensions==3.7.4.3 \
-    --hash=sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918 \
-    --hash=sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c \
-    --hash=sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f
+pycparser==2.21 \
+    --hash=sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9 \
+    --hash=sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206
+altgraph==0.17.2 \
+    --hash=sha256:743628f2ac6a7c26f5d9223c91ed8ecbba535f506f4b6f558885a8a56a105857 \
+    --hash=sha256:ebf2269361b47d97b3b88e696439f6e4cbc607c17c51feb1754f90fb79839158
+macholib==1.15.2 \
+    --hash=sha256:1542c41da3600509f91c165cb897e7e54c0e74008bd8da5da7ebbee519d593d2 \
+    --hash=sha256:885613dd02d3e26dbd2b541eb4cc4ce611b841f827c0958ab98656e478b9e6f6
+pyinstaller-hooks-contrib==2022.2 \
+    --hash=sha256:7605e440ccb55904cb2a87d72e83642ef176fb7030c77e52ac4d9679bb3d1537 \
+    --hash=sha256:ab1d14fe053016fff7b0c6aea51d980bac6d02114b04063b46ef7dac70c70e1e
+importlib-metadata==4.11.3 \
+    --hash=sha256:1208431ca90a8cca1a6b8af391bb53c1a2db74e5d1cef6ddced95d4b2062edc6 \
+    --hash=sha256:ea4c597ebf37142f827b8f39299579e31685c31d3a438b59f469406afd0f2539
+zipp==3.7.0 \
+    --hash=sha256:9f50f446828eb9d45b267433fd3e9da8d801f614129124863f9c51ebceafb87d \
+    --hash=sha256:b47250dd24f92b7dd6a0a8fc5244da14608f3ca90a5efcd37a3b1642fac9a375
+typing-extensions==4.1.1 \
+    --hash=sha256:1a9462dcc3347a79b1f1c0271fbe79e844580bb598bafa1ed208b94da3cdcd42 \
+    --hash=sha256:21c85e0fe4b9a155d0799430b0ad741cdce7e359660ccbd8b530613e8df88ce2
diff --git a/build_configs/windows/requirements.txt b/build_configs/windows/requirements.txt
index 5b04b2ce..7bf22250 100644
--- a/build_configs/windows/requirements.txt
+++ b/build_configs/windows/requirements.txt
@@ -2,21 +2,21 @@
 -r ../../requirements.txt
 
 # Build tools for binary distribution
-pyinstaller==4.8 \
-    --hash=sha256:15d9266d78dc757c103962826e62bce1513825078160be580534ead2ef53087c \
-    --hash=sha256:44783d58ac4cb0a74a4f2180da4dacbe6a7a013a62b3aa10be6082252e296954 \
-    --hash=sha256:4c848720a65a5bd41249bc804d1bd3dd089bb56aef7f1c5e11f774f11e649443 \
-    --hash=sha256:53ed05214dd67624756fe4e82e861857921a79d0392debf8c9f5bb0ba5a479b6 \
-    --hash=sha256:5c2fd5f18c0397f3d9160446035556afc7f6446fd88048887fdf46eadf85c5ec \
-    --hash=sha256:6f5cdc39fbdec7b2e0c46cc0f5bd0071bb85e592e324bf4e15375c5ff19e55fc \
-    --hash=sha256:7ae868bbcc502832a2c802c84a1dbb9f48b44445c50144c29bfcd7b760140e13 \
-    --hash=sha256:9fbb05f5f67862005234da8c7eac69ef87e086f90e345749260051b031774c52 \
-    --hash=sha256:b0b3a31aa60292469f9595f298e2c147cba29c30edcd92a38fdce27727809625 \
-    --hash=sha256:b720853a00bd9547b7d6403d85f23b7f7e451e41bc907673d9fc7f8d9d274594 \
-    --hash=sha256:f00e1296abac71f3b5bb9fdc2e0d4c079201d62faeeeb894ccadd0616179fee3
-setuptools==49.2.0 \
-    --hash=sha256:272c7f48f5cddc5af5901f4265274c421c7eede5c8bc454ac2903d3f8fc365e9 \
-    --hash=sha256:afe9e81fee0270d3f60d52608549cc8ec4c46dada8c95640c1a00160f577acf2
+pyinstaller==4.10 \
+    --hash=sha256:05c21117b84199272ebd355b556af4714f6e79245e1c435d6f16653786d7d17e \
+    --hash=sha256:0dcaf6557cdb2da763c46e06e95a94a7634ab03fb09d91bc77988b01ee05c907 \
+    --hash=sha256:15557cd1a79d182967f0a5040750e6902e13ebd6cab41e3ed84d7b28a306357b \
+    --hash=sha256:581620bdcd32f01e89b13231256b807bb090e7eadf40c81c864ec402afa4758a \
+    --hash=sha256:70c71e827f4b34602cbc7a0947a067b662c1cbdc4db51832e13b97cca3c54dd7 \
+    --hash=sha256:714c4dcc319a41416744d1e30c6317405dfaed80d2adc45f8bfa70dc7367e664 \
+    --hash=sha256:7749c868d2e2dc84df7d6f65437226183c8a366f3a99bb2737785625c3a3cca1 \
+    --hash=sha256:7d94518ba1f8e9a8577345312276891ad7d6cd9785e453e9951b35647e2c7078 \
+    --hash=sha256:cfed0b3a43e73550a43a094610328109564710b9514afa093ef7199d072cae87 \
+    --hash=sha256:d4f79c0a774451f12baca4e476376418f011fa3039dde8fd172ea2aa8ff67bad \
+    --hash=sha256:f2166ff2cd95eefb0d377ae8d1071f186fa25edd410ede65b376162d5ec41909
+setuptools==60.9.3 \
+    --hash=sha256:2347b2b432c891a863acadca2da9ac101eae6169b1d3dfee2ec605ecd50dbfe5 \
+    --hash=sha256:e4f30b9f84e5ab3decf945113119649fec09c1fc3507c6ebffec75646c56e62b
 cffi==1.15.0 \
     --hash=sha256:00c878c90cb53ccfaae6b8bc18ad05d2036553e6d9d1d9dbcf323bbe83854ca3 \
     --hash=sha256:0104fb5ae2391d46a4cb082abdd5c69ea4eab79d8d44eaaf79f1b1fd806ee4c2 \
@@ -68,17 +68,17 @@ cffi==1.15.0 \
     --hash=sha256:f6f824dc3bce0edab5f427efcfb1d63ee75b6fcb7282900ccaf925be84efb0fc \
     --hash=sha256:fd8a250edc26254fe5b33be00402e6d287f562b6a5b2152dec302fa15bb3e997 \
     --hash=sha256:ffaa5c925128e29efbde7301d8ecaf35c8c60ffbcd6a1ffd3a552177c8e5e796
-pycparser==2.20 \
-    --hash=sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0 \
-    --hash=sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705
-altgraph==0.17 \
-    --hash=sha256:1f05a47122542f97028caf78775a095fbe6a2699b5089de8477eb583167d69aa \
-    --hash=sha256:c623e5f3408ca61d4016f23a681b9adb100802ca3e3da5e718915a9e4052cebe
-macholib==1.14 \
-    --hash=sha256:0c436bc847e7b1d9bda0560351bf76d7caf930fb585a828d13608839ef42c432 \
-    --hash=sha256:c500f02867515e6c60a27875b408920d18332ddf96b4035ef03beddd782d4281
-pefile==2019.4.18 \
-    --hash=sha256:a5d6e8305c6b210849b47a6174ddf9c452b2888340b8177874b862ba6c207645
+pycparser==2.21 \
+    --hash=sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9 \
+    --hash=sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206
+altgraph==0.17.2 \
+    --hash=sha256:743628f2ac6a7c26f5d9223c91ed8ecbba535f506f4b6f558885a8a56a105857 \
+    --hash=sha256:ebf2269361b47d97b3b88e696439f6e4cbc607c17c51feb1754f90fb79839158
+macholib==1.15.2 \
+    --hash=sha256:1542c41da3600509f91c165cb897e7e54c0e74008bd8da5da7ebbee519d593d2 \
+    --hash=sha256:885613dd02d3e26dbd2b541eb4cc4ce611b841f827c0958ab98656e478b9e6f6
+pefile==2021.9.3 \
+    --hash=sha256:344a49e40a94e10849f0fe34dddc80f773a12b40675bf2f7be4b8be578bdd94a
 future==0.18.2 \
     --hash=sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d
 pywin32==303 \
@@ -95,16 +95,15 @@ pywin32==303 \
 pywin32-ctypes==0.2.0 \
     --hash=sha256:9dc2d991b3479cc2df15930958b674a48a227d5361d413827a4cfd0b5876fc98 \
     --hash=sha256:24ffc3b341d457d48e8922352130cf2644024a4ff09762a2261fd34c36ee5942
-pyinstaller-hooks-contrib==2022.0 \
-    --hash=sha256:29f0bd8fbb2ff6f2df60a0c147e5b5ad65ae5c1a982d90641a5f712de03fa161 \
-    --hash=sha256:61b667f51b2525377fae30793f38fd9752a08032c72b209effabf707c840cc38
-importlib-metadata==3.10.0 \
-    --hash=sha256:c9db46394197244adf2f0b08ec5bc3cf16757e9590b02af1fca085c16c0d600a \
-    --hash=sha256:d2d46ef77ffc85cbf7dac7e81dd663fde71c45326131bea8033b9bad42268ebe
-zipp==3.4.1 \
-    --hash=sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76 \
-    --hash=sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098
-typing-extensions==3.7.4.3 \
-    --hash=sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918 \
-    --hash=sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c \
-    --hash=sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f
+pyinstaller-hooks-contrib==2022.2 \
+    --hash=sha256:7605e440ccb55904cb2a87d72e83642ef176fb7030c77e52ac4d9679bb3d1537 \
+    --hash=sha256:ab1d14fe053016fff7b0c6aea51d980bac6d02114b04063b46ef7dac70c70e1e
+importlib-metadata==4.11.3 \
+    --hash=sha256:1208431ca90a8cca1a6b8af391bb53c1a2db74e5d1cef6ddced95d4b2062edc6 \
+    --hash=sha256:ea4c597ebf37142f827b8f39299579e31685c31d3a438b59f469406afd0f2539
+zipp==3.7.0 \
+    --hash=sha256:9f50f446828eb9d45b267433fd3e9da8d801f614129124863f9c51ebceafb87d \
+    --hash=sha256:b47250dd24f92b7dd6a0a8fc5244da14608f3ca90a5efcd37a3b1642fac9a375
+typing-extensions==4.1.1 \
+    --hash=sha256:1a9462dcc3347a79b1f1c0271fbe79e844580bb598bafa1ed208b94da3cdcd42 \
+    --hash=sha256:21c85e0fe4b9a155d0799430b0ad741cdce7e359660ccbd8b530613e8df88ce2
diff --git a/requirements.txt b/requirements.txt
index 68a8febb..a936538e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,77 +1,69 @@
-py_ecc==5.1.0 \
-    --hash=sha256:1ba0453d39887cdb63e0855ba317b67f8bd571371bb3cafefae3e2e5206e45c5 \
-    --hash=sha256:934d6506f8b9487cc669562eb11beaf9b0a9ca408ffd94d0961c9cdde71336f2
-pycryptodome==3.9.8 \
-    --hash=sha256:02e51e1d5828d58f154896ddfd003e2e7584869c275e5acbe290443575370fba \
-    --hash=sha256:03d5cca8618620f45fd40f827423f82b86b3a202c8d44108601b0f5f56b04299 \
-    --hash=sha256:0e24171cf01021bc5dc17d6a9d4f33a048f09d62cc3f62541e95ef104588bda4 \
-    --hash=sha256:132a56abba24e2e06a479d8e5db7a48271a73a215f605017bbd476d31f8e71c1 \
-    --hash=sha256:1e655746f539421d923fd48df8f6f40b3443d80b75532501c0085b64afed9df5 \
-    --hash=sha256:2b998dc45ef5f4e5cf5248a6edfcd8d8e9fb5e35df8e4259b13a1b10eda7b16b \
-    --hash=sha256:360955eece2cd0fa694a708d10303c6abd7b39614fa2547b6bd245da76198beb \
-    --hash=sha256:39ef9fb52d6ec7728fce1f1693cb99d60ce302aeebd59bcedea70ca3203fda60 \
-    --hash=sha256:4350a42028240c344ee855f032c7d4ad6ff4f813bfbe7121547b7dc579ecc876 \
-    --hash=sha256:50348edd283afdccddc0938cdc674484533912ba8a99a27c7bfebb75030aa856 \
-    --hash=sha256:54bdedd28476dea8a3cd86cb67c0df1f0e3d71cae8022354b0f879c41a3d27b2 \
-    --hash=sha256:55eb61aca2c883db770999f50d091ff7c14016f2769ad7bca3d9b75d1d7c1b68 \
-    --hash=sha256:6276478ada411aca97c0d5104916354b3d740d368407912722bd4d11aa9ee4c2 \
-    --hash=sha256:663f8de2b3df2e744d6e1610506e0ea4e213bde906795953c1e82279c169f0a7 \
-    --hash=sha256:67dcad1b8b201308586a8ca2ffe89df1e4f731d5a4cdd0610cc4ea790351c739 \
-    --hash=sha256:709b9f144d23e290b9863121d1ace14a72e01f66ea9c903fbdc690520dfdfcf0 \
-    --hash=sha256:8063a712fba642f78d3c506b0896846601b6de7f5c3d534e388ad0cc07f5a149 \
-    --hash=sha256:80d57177a0b7c14d4594c62bbb47fe2f6309ad3b0a34348a291d570925c97a82 \
-    --hash=sha256:87006cf0d81505408f1ae4f55cf8a5d95a8e029a4793360720ae17c6500f7ecc \
-    --hash=sha256:9f62d21bc693f3d7d444f17ed2ad7a913b4c37c15cd807895d013c39c0517dfd \
-    --hash=sha256:a207231a52426de3ff20f5608f0687261a3329d97a036c51f7d4c606a6f30c23 \
-    --hash=sha256:abc2e126c9490e58a36a0f83516479e781d83adfb134576a5cbe5c6af2a3e93c \
-    --hash=sha256:b56638d58a3a4be13229c6a815cd448f9e3ce40c00880a5398471b42ee86f50e \
-    --hash=sha256:bcd5b8416e73e4b0d48afba3704d8c826414764dafaed7a1a93c442188d90ccc \
-    --hash=sha256:bec2bcdf7c9ce7f04d718e51887f3b05dc5c1cfaf5d2c2e9065ecddd1b2f6c9a \
-    --hash=sha256:c8bf40cf6e281a4378e25846924327e728a887e8bf0ee83b2604a0f4b61692e8 \
-    --hash=sha256:cecbf67e81d6144a50dc615629772859463b2e4f815d0c082fa421db362f040e \
-    --hash=sha256:d8074c8448cfd0705dfa71ca333277fce9786d0b9cac75d120545de6253f996a \
-    --hash=sha256:dd302b6ae3965afeb5ef1b0d92486f986c0e65183cd7835973f0b593800590e6 \
-    --hash=sha256:de6e1cd75677423ff64712c337521e62e3a7a4fc84caabbd93207752e831a85a \
-    --hash=sha256:ef39c98d9b8c0736d91937d193653e47c3b19ddf4fc3bccdc5e09aaa4b0c5d21 \
-    --hash=sha256:f2e045224074d5664dc9cbabbf4f4d4d46f1ee90f24780e3a9a668fd096ff17f \
-    --hash=sha256:f521178e5a991ffd04182ed08f552daca1affcb826aeda0e1945cd989a9d4345 \
-    --hash=sha256:f78a68c2c820e4731e510a2df3eef0322f24fde1781ced970bf497b6c7d92982 \
-    --hash=sha256:fbe65d5cfe04ff2f7684160d50f5118bdefb01e3af4718eeb618bfed40f19d94 \
-    --hash=sha256:be7553b8bea117892f83f52ebfe96929340cacae07f3f6a820291e42168dff62
+py-ecc==5.2.0 \
+    --hash=sha256:525b95aae5bbc185baff7dbfdb9bbd14d2c9454a797457f3edc85fd14c2ad7a6 \
+    --hash=sha256:f0aabdc82813ecb2e75e0531e3850295ff1a96bedfba42f15b5bc7f39ced64ba
+pycryptodome==3.14.1 \
+    --hash=sha256:028dcbf62d128b4335b61c9fbb7dd8c376594db607ef36d5721ee659719935d5 \
+    --hash=sha256:12ef157eb1e01a157ca43eda275fa68f8db0dd2792bc4fe00479ab8f0e6ae075 \
+    --hash=sha256:2562de213960693b6d657098505fd4493c45f3429304da67efcbeb61f0edfe89 \
+    --hash=sha256:27e92c1293afcb8d2639baf7eb43f4baada86e4de0f1fb22312bfc989b95dae2 \
+    --hash=sha256:36e3242c4792e54ed906c53f5d840712793dc68b726ec6baefd8d978c5282d30 \
+    --hash=sha256:50a5346af703330944bea503106cd50c9c2212174cfcb9939db4deb5305a8367 \
+    --hash=sha256:53dedbd2a6a0b02924718b520a723e88bcf22e37076191eb9b91b79934fb2192 \
+    --hash=sha256:69f05aaa90c99ac2f2af72d8d7f185f729721ad7c4be89e9e3d0ab101b0ee875 \
+    --hash=sha256:75a3a364fee153e77ed889c957f6f94ec6d234b82e7195b117180dcc9fc16f96 \
+    --hash=sha256:766a8e9832128c70012e0c2b263049506cbf334fb21ff7224e2704102b6ef59e \
+    --hash=sha256:7fb90a5000cc9c9ff34b4d99f7f039e9c3477700e309ff234eafca7b7471afc0 \
+    --hash=sha256:893f32210de74b9f8ac869ed66c97d04e7d351182d6d39ebd3b36d3db8bda65d \
+    --hash=sha256:8b5c28058102e2974b9868d72ae5144128485d466ba8739abd674b77971454cc \
+    --hash=sha256:924b6aad5386fb54f2645f22658cb0398b1f25bc1e714a6d1522c75d527deaa5 \
+    --hash=sha256:9924248d6920b59c260adcae3ee231cd5af404ac706ad30aa4cd87051bf09c50 \
+    --hash=sha256:9ec761a35dbac4a99dcbc5cd557e6e57432ddf3e17af8c3c86b44af9da0189c0 \
+    --hash=sha256:a36ab51674b014ba03da7f98b675fcb8eabd709a2d8e18219f784aba2db73b72 \
+    --hash=sha256:aae395f79fa549fb1f6e3dc85cf277f0351e15a22e6547250056c7f0c990d6a5 \
+    --hash=sha256:c880a98376939165b7dc504559f60abe234b99e294523a273847f9e7756f4132 \
+    --hash=sha256:ce7a875694cd6ccd8682017a7c06c6483600f151d8916f2b25cf7a439e600263 \
+    --hash=sha256:d1b7739b68a032ad14c5e51f7e4e1a5f92f3628bba024a2bda1f30c481fc85d8 \
+    --hash=sha256:dcd65355acba9a1d0fc9b923875da35ed50506e339b35436277703d7ace3e222 \
+    --hash=sha256:e04e40a7f8c1669195536a37979dd87da2c32dbdc73d6fe35f0077b0c17c803b \
+    --hash=sha256:e0c04c41e9ade19fbc0eff6aacea40b831bfcb2c91c266137bcdfd0d7b2f33ba \
+    --hash=sha256:e24d4ec4b029611359566c52f31af45c5aecde7ef90bf8f31620fd44c438efe7 \
+    --hash=sha256:e64738207a02a83590df35f59d708bf1e7ea0d6adce712a777be2967e5f7043c \
+    --hash=sha256:ea56a35fd0d13121417d39a83f291017551fa2c62d6daa6b04af6ece7ed30d84 \
+    --hash=sha256:f2772af1c3ef8025c85335f8b828d0193fa1e43256621f613280e2c81bfad423 \
+    --hash=sha256:f403a3e297a59d94121cb3ee4b1cf41f844332940a62d71f9e4a009cc3533493 \
+    --hash=sha256:f572a3ff7b6029dd9b904d6be4e0ce9e309dcb847b03e3ac8698d9d23bb36525
 click==7.1.2 \
     --hash=sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a \
     --hash=sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc
 ssz==0.2.4 \
     --hash=sha256:3c944cd97a38448fe2b145d80d704bd28bc3c5368da9624177b0964e37adaf7e \
     --hash=sha256:99c4a7bbaf632113fc28beb8770673637286f7fdade1231e0a2c6fae6331c06d
-eth-typing==2.2.2 \
-    --hash=sha256:1140c7592321dbf10d6663c46f7e43eb0e6410b011b03f14b3df3eb1f76aa9bb \
-    --hash=sha256:97ba0f83da7cf1d3668f6ed54983f21168076c552762bf5e06d4a20921877f3f
+eth-typing==2.3.0 \
+    --hash=sha256:39cce97f401f082739b19258dfa3355101c64390914c73fe2b90012f443e0dc7 \
+    --hash=sha256:b7fa58635c1cb0cbf538b2f5f1e66139575ea4853eac1d6000f0961a4b277422
 
 # Dependencies for the above
-eth-utils==1.9.5 \
-    --hash=sha256:11597842b0148c39d2638ad55897f9243479a8369be713b238b0684f8750215e \
-    --hash=sha256:ac168aaa241fa0665e758b04009259d1b2b35daa0615fc563aad29f9ffc64d56
+eth-utils==1.10.0 \
+    --hash=sha256:74240a8c6f652d085ed3c85f5f1654203d2f10ff9062f83b3bad0a12ff321c7a \
+    --hash=sha256:bf82762a46978714190b0370265a7148c954d3f0adaa31c6f085ea375e4c61af
 mypy-extensions==0.4.3 \
     --hash=sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d \
     --hash=sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8
-lru-dict==1.1.6 \
-    --hash=sha256:365457660e3d05b76f1aba3e0f7fedbfcd6528e97c5115a351ddd0db488354cc \
-    --hash=sha256:288d8794e9376fe31d27abc3531d395675b2a910781f26034d5ef79f0ba9cecc
+lru-dict==1.1.7 \
+    --hash=sha256:45b81f67d75341d4433abade799a47e9c42a9e22a118531dcb5e549864032d7c
 pyrsistent==0.16.1 \
     --hash=sha256:aa2ae1c2e496f4d6777f869ea5de7166a8ccb9c2e06ebcf6c7ff1b670c98c5ef
-eth-hash==0.2.0 \
-    --hash=sha256:1b9cb34dd3cd99c85c2bd6a1420ceae39a2eee8bf080efd264bcda8be3edecc8 \
-    --hash=sha256:499dc02d098f69856d1a6dd005529c16174157d4fb2a9fe20c41f69e39f8f176
+eth-hash==0.3.2 \
+    --hash=sha256:3f40cecd5ead88184aa9550afc19d057f103728108c5102f592f8415949b5a76 \
+    --hash=sha256:de7385148a8e0237ba1240cddbc06d53f56731140f8593bdb8429306f6b42271
 cytoolz==0.11.2 \
     --hash=sha256:ea23663153806edddce7e4153d1d407d62357c05120a4e8485bddf1bd5ab22b4
-toolz==0.10.0 \
-    --hash=sha256:08fdd5ef7c96480ad11c12d472de21acd32359996f69a5259299b540feba4560 \
-    --hash=sha256:e71d8d91c8902fb7659c23e10e9698a8c5cbea985683b8a378c6fd67b52f2fc4 \
-    --hash=sha256:c43f7cffb32a3c8e3fb51192cae4dcdbf0a6fee4d07142ca2e443d2bd9f89400
-six==1.15.0 \
-    --hash=sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259 \
-    --hash=sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced
+toolz==0.11.2 \
+    --hash=sha256:6b312d5e15138552f1bda8a4e66c30e236c831b612b2bf0005f8a1df10a4bc33 \
+    --hash=sha256:a5700ce83414c64514d82d60bcda8aabfde092d1c1a8663f9200c07fdcc6da8f
+six==1.16.0 \
+    --hash=sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926 \
+    --hash=sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254
 cached-property==1.5.2 \
     --hash=sha256:9fa5755838eecbb2d234c3aa390bd80fbd3ac6b6869109bfc1b499f7bd89a130 \
     --hash=sha256:df4f613cf7ad9a588cc381aaf4a512d26265ecebd5eb9e1ba12f1319eb85a6a0
diff --git a/requirements_test.txt b/requirements_test.txt
index f4d1a3fc..0a4f031f 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -2,61 +2,68 @@
 -r requirements.txt
 
 # Testing
-pytest==6.0.2 \
-    --hash=sha256:0e37f61339c4578776e090c3b8f6b16ce4db333889d65d0efb305243ec544b40 \
-    --hash=sha256:c8f57c2a30983f469bf03e68cdfa74dc474ce56b8f280ddcb080dfd91df01043
-pytest-asyncio==0.14.0 \
-    --hash=sha256:2eae1e34f6c68fc0a9dc12d4bea190483843ff4708d24277c41568d6b6044f1d \
-    --hash=sha256:9882c0c6b24429449f5f969a5158b528f39bde47dc32e85b9f0403965017e700
-flake8==3.8.3 \
-    --hash=sha256:15e351d19611c887e482fb960eae4d44845013cc142d42896e9862f775d8cf5c \
-    --hash=sha256:f04b9fcbac03b0a3e58c0ab3a0ecc462e023a9faf046d57794184028123aa208
-mypy==0.931 \
-    --hash=sha256:1171f2e0859cfff2d366da2c7092b06130f232c636a3f7301e3feb8b41f6377d \
-    --hash=sha256:7b3f6f557ba4afc7f2ce6d3215d5db279bcf120b3cfd0add20a5d4f4abdae5bc \
-    --hash=sha256:300717a07ad09525401a508ef5d105e6b56646f7942eb92715a1c8d610149714 \
-    --hash=sha256:c89702cac5b302f0c5d33b172d2b55b5df2bede3344a2fbed99ff96bddb2cf00 \
-    --hash=sha256:3c5b42d0815e15518b1f0990cff7a705805961613e701db60387e6fb663fe78a \
-    --hash=sha256:74f7eccbfd436abe9c352ad9fb65872cc0f1f0a868e9d9c44db0893440f0c697 \
-    --hash=sha256:8ca7f8c4b1584d63c9a0f827c37ba7a47226c19a23a753d52e5b5eddb201afcd \
-    --hash=sha256:5b56154f8c09427bae082b32275a21f500b24d93c88d69a5e82f3978018a0266 \
-    --hash=sha256:ff3bf387c14c805ab1388185dd22d6b210824e164d4bb324b195ff34e322d166 \
-    --hash=sha256:d9d2b84b2007cea426e327d2483238f040c49405a6bf4074f605f0156c91a47a \
-    --hash=sha256:8c11003aaeaf7cc2d0f1bc101c1cc9454ec4cc9cb825aef3cafff8a5fdf4c799 \
-    --hash=sha256:1b06268df7eb53a8feea99cbfff77a6e2b205e70bf31743e786678ef87ee8069 \
-    --hash=sha256:f9fe20d0872b26c4bba1c1be02c5340de1019530302cf2dcc85c7f9fc3252ae0 \
-    --hash=sha256:d8f1ff62f7a879c9fe5917b3f9eb93a79b78aad47b533911b853a757223f72e7 \
-    --hash=sha256:50c7346a46dc76a4ed88f3277d4959de8a2bd0a0fa47fa87a4cde36fe247ac05 \
-    --hash=sha256:e839191b8da5b4e5d805f940537efcaa13ea5dd98418f06dc585d2891d228cf0
+pytest==7.1.0 \
+    --hash=sha256:b555252a95bbb2a37a97b5ac2eb050c436f7989993565f5e0c9128fcaacadd0e \
+    --hash=sha256:f1089d218cfcc63a212c42896f1b7fbf096874d045e1988186861a1a87d27b47
+pytest-asyncio==0.18.2 \
+    --hash=sha256:20db0bdd3d7581b2e11f5858a5d9541f2db9cd8c5853786f94ad273d466c8c6d \
+    --hash=sha256:fc8e4190f33fee7797cc7f1829f46a82c213f088af5d1bb5d4e454fe87e6cdc2
+flake8==4.0.1 \
+    --hash=sha256:479b1304f72536a55948cb40a32dce8bb0ffe3501e26eaf292c7e60eb5e0428d \
+    --hash=sha256:806e034dda44114815e23c16ef92f95c91e4c71100ff52813adf7132a6ad870d
+mypy==0.941 \
+    --hash=sha256:080097eee5393fd740f32c63f9343580aaa0fb1cda0128fd859dfcf081321c3d \
+    --hash=sha256:0d3bcbe146247997e03bf030122000998b076b3ac6925b0b6563f46d1ce39b50 \
+    --hash=sha256:0dd441fbacf48e19dc0c5c42fafa72b8e1a0ba0a39309c1af9c84b9397d9b15a \
+    --hash=sha256:108f3c7e14a038cf097d2444fa0155462362c6316e3ecb2d70f6dd99cd36084d \
+    --hash=sha256:3bada0cf7b6965627954b3a128903a87cac79a79ccd83b6104912e723ef16c7b \
+    --hash=sha256:3cf77f138efb31727ee7197bc824c9d6d7039204ed96756cc0f9ca7d8e8fc2a4 \
+    --hash=sha256:42c216a33d2bdba08098acaf5bae65b0c8196afeb535ef4b870919a788a27259 \
+    --hash=sha256:465a6ce9ca6268cadfbc27a2a94ddf0412568a6b27640ced229270be4f5d394d \
+    --hash=sha256:6a8e1f63357851444940351e98fb3252956a15f2cabe3d698316d7a2d1f1f896 \
+    --hash=sha256:745071762f32f65e77de6df699366d707fad6c132a660d1342077cbf671ef589 \
+    --hash=sha256:818cfc51c25a5dbfd0705f3ac1919fff6971eb0c02e6f1a1f6a017a42405a7c0 \
+    --hash=sha256:8e5974583a77d630a5868eee18f85ac3093caf76e018c510aeb802b9973304ce \
+    --hash=sha256:8eaf55fdf99242a1c8c792247c455565447353914023878beadb79600aac4a2a \
+    --hash=sha256:98f61aad0bb54f797b17da5b82f419e6ce214de0aa7e92211ebee9e40eb04276 \
+    --hash=sha256:b2ce2788df0c066c2ff4ba7190fa84f18937527c477247e926abeb9b1168b8cc \
+    --hash=sha256:b30d29251dff4c59b2e5a1fa1bab91ff3e117b4658cb90f76d97702b7a2ae699 \
+    --hash=sha256:bf446223b2e0e4f0a4792938e8d885e8a896834aded5f51be5c3c69566495540 \
+    --hash=sha256:cbcc691d8b507d54cb2b8521f0a2a3d4daa477f62fe77f0abba41e5febb377b7 \
+    --hash=sha256:d051ce0946521eba48e19b25f27f98e5ce4dbc91fff296de76240c46b4464df0 \
+    --hash=sha256:d61b73c01fc1de799226963f2639af831307fe1556b04b7c25e2b6c267a3bc76 \
+    --hash=sha256:eea10982b798ff0ccc3b9e7e42628f932f552c5845066970e67cd6858655d52c \
+    --hash=sha256:f79137d012ff3227866222049af534f25354c07a0d6b9a171dba9f1d6a1fdef4 \
+    --hash=sha256:fc5ecff5a3bbfbe20091b1cad82815507f5ae9c380a3a9bf40f740c70ce30a9b
 
 # Dependencies for the above
 wcwidth==0.2.5 \
     --hash=sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784 \
     --hash=sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83
-pluggy==0.13.1 \
-    --hash=sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0 \
-    --hash=sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d
-importlib-metadata==1.7.0 \
-    --hash=sha256:90bb658cdbbf6d1735b6341ce708fc7024a3e14e99ffdc5783edea9f9b077f83 \
-    --hash=sha256:dc15b2969b4ce36305c51eebe62d418ac7791e9a157911d58bfb1f9ccd8e2070
-attrs==20.2.0 \
-    --hash=sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594 \
-    --hash=sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc
-entrypoints==0.3 \
-    --hash=sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19 \
-    --hash=sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451
-pycodestyle==2.6.0 \
-    --hash=sha256:2295e7b2f6b5bd100585ebcb1f616591b652db8a741695b3d8f5d28bdc934367 \
-    --hash=sha256:c58a7d2815e0e8d7972bf1803331fb0152f867bd89adf8a01dfd55085434192e
-pyflakes==2.2.0 \
-    --hash=sha256:0d94e0e05a19e57a99444b6ddcf9a6eb2e5c68d3ca1e98e90707af8152c90a92 \
-    --hash=sha256:35b2d75ee967ea93b55750aa9edbbf72813e06a66ba54438df2cfac9e3c27fc8
+pluggy==1.0.0 \
+    --hash=sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159 \
+    --hash=sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3
+importlib-metadata==4.11.3 \
+    --hash=sha256:1208431ca90a8cca1a6b8af391bb53c1a2db74e5d1cef6ddced95d4b2062edc6 \
+    --hash=sha256:ea4c597ebf37142f827b8f39299579e31685c31d3a438b59f469406afd0f2539
+attrs==21.4.0 \
+    --hash=sha256:2d27e3784d7a565d36ab851fe94887c5eccd6a463168875832a1be79c82828b4 \
+    --hash=sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd
+entrypoints==0.4 \
+    --hash=sha256:b706eddaa9218a19ebcd67b56818f05bb27589b1ca9e8d797b74affad4ccacd4 \
+    --hash=sha256:f174b5ff827504fd3cd97cc3f8649f3693f51538c7e4bdf3ef002c8429d42f9f
+pycodestyle==2.8.0 \
+    --hash=sha256:720f8b39dde8b293825e7ff02c475f3077124006db4f440dcbc9a20b76548a20 \
+    --hash=sha256:eddd5847ef438ea1c7870ca7eb78a9d47ce0cdb4851a5523949f2601d0cbbe7f
+pyflakes==2.4.0 \
+    --hash=sha256:05a85c2872edf37a4ed30b0cce2f6093e1d0581f8c19d7393122da7e25b2b24c \
+    --hash=sha256:3bb3a3f256f4b7968c9c788781e4ff07dce46bdf12339dcda61053375426ee2e
 mccabe==0.6.1 \
     --hash=sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42 \
     --hash=sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f
-typing-extensions==4.0.1 \
-    --hash=sha256:4ca091dea149f945ec56afb48dae714f21e8692ef22a395223bcd328961b6a0e \
-    --hash=sha256:7f001e5ac290a0c0401508864c7ec868be4e701886d5b573a9528ed3973d9d3b
+typing-extensions==4.1.1 \
+    --hash=sha256:1a9462dcc3347a79b1f1c0271fbe79e844580bb598bafa1ed208b94da3cdcd42 \
+    --hash=sha256:21c85e0fe4b9a155d0799430b0ad741cdce7e359660ccbd8b530613e8df88ce2
 typed-ast==1.5.2 \
     --hash=sha256:18fe320f354d6f9ad3147859b6e16649a0781425268c4dde596093177660e71a \
     --hash=sha256:bc2542e83ac8399752bc16e0b35e038bdb659ba237f4222616b4e83fb9654985 \
@@ -77,36 +84,39 @@ typed-ast==1.5.2 \
     --hash=sha256:c7407cfcad702f0b6c0e0f3e7ab876cd1d2c13b14ce770e412c0c4b9728a0f88 \
     --hash=sha256:f30ddd110634c2d7534b2d4e0e22967e88366b0d356b24de87419cc4410c41b7 \
     --hash=sha256:26a432dc219c6b6f38be20a958cbe1abffcc5492821d7e27f08606ef99e0dffd
-packaging==20.4 \
-    --hash=sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8 \
-    --hash=sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181
-more-itertools==8.5.0 \
-    --hash=sha256:6f83822ae94818eae2612063a5101a7311e68ae8002005b5e05f03fd74a86a20 \
-    --hash=sha256:9b30f12df9393f0d28af9210ff8efe48d10c94f73e5daf886f10c4b0b0b4f03c
-py==1.10.0 \
-    --hash=sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a \
-    --hash=sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3
-zipp==3.1.0 \
-    --hash=sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b \
-    --hash=sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96
-pyparsing==2.4.7 \
-    --hash=sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b \
-    --hash=sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1
-colorama==0.4.3 \
-    --hash=sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff \
-    --hash=sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1
+packaging==21.3 \
+    --hash=sha256:dd47c42927d89ab911e606518907cc2d3a1f38bbd026385970643f9c5b8ecfeb \
+    --hash=sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522
+more-itertools==8.12.0 \
+    --hash=sha256:43e6dd9942dffd72661a2c4ef383ad7da1e6a3e968a927ad7a6083ab410a688b \
+    --hash=sha256:7dc6ad46f05f545f900dd59e8dfb4e84a4827b97b3cfecb175ea0c7d247f6064
+py==1.11.0 \
+    --hash=sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719 \
+    --hash=sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378
+zipp==3.7.0 \
+    --hash=sha256:9f50f446828eb9d45b267433fd3e9da8d801f614129124863f9c51ebceafb87d \
+    --hash=sha256:b47250dd24f92b7dd6a0a8fc5244da14608f3ca90a5efcd37a3b1642fac9a375
+pyparsing==3.0.7 \
+    --hash=sha256:18ee9022775d270c55187733956460083db60b37d0d0fb357445f3094eed3eea \
+    --hash=sha256:a6c06a88f252e6c322f65faf8f418b16213b51bdfaece0524c1c1bc30c63c484
+colorama==0.4.4 \
+    --hash=sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b \
+    --hash=sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2
 atomicwrites==1.4.0 \
     --hash=sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197 \
     --hash=sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a
-iniconfig==1.0.1 \
-    --hash=sha256:80cf40c597eb564e86346103f609d74efce0f6b4d4f30ec8ce9e2c26411ba437 \
-    --hash=sha256:e5f92f89355a67de0595932a6c6c02ab4afddc6fcdc0bfc5becd0d60884d3f69
-toml==0.10.1 \
-    --hash=sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f \
-    --hash=sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88
-tomli==2.0.0 \
-    --hash=sha256:c292c34f58502a1eb2bbb9f5bbc9a5ebc37bee10ffb8c2d6bbdfa8eb13cc14e1 \
-    --hash=sha256:b5bde28da1fed24b9bd1d4d2b8cba62300bfb4ec9a6187a957e8ddb9434c5224
-jsonschema==3.2.0 \
-    --hash=sha256:4e5b3cf8216f577bee9ce139cbe72eca3ea4f292ec60928ff24758ce626cd163 \
-    --hash=sha256:c8a85b28d377cc7737e46e2d9f2b4f44ee3c0e1deac6bf46ddefc7187d30797a
+iniconfig==1.1.1 \
+    --hash=sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3 \
+    --hash=sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32
+toml==0.10.2 \
+    --hash=sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b \
+    --hash=sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f
+tomli==2.0.1 \
+    --hash=sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc \
+    --hash=sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f
+jsonschema==4.4.0 \
+    --hash=sha256:636694eb41b3535ed608fe04129f26542b59ed99808b4f688aa32dcf55317a83 \
+    --hash=sha256:77281a1f71684953ee8b3d488371b162419767973789272434bbc3f29d9c8823
+importlib-resources==5.4.0 \
+    --hash=sha256:33a95faed5fc19b4bc16b29a6eeae248a3fe69dd55d4d229d2b480e23eeaad45 \
+    --hash=sha256:d756e2f85dd4de2ba89be0b21dba2a3bbec2e871a42a3a16719258a11f87506b
diff --git a/setup.py b/setup.py
index ce61b704..bb48f27b 100644
--- a/setup.py
+++ b/setup.py
@@ -6,8 +6,8 @@
 
 setup(
     name="staking_deposit",
-    version='2.0.0',
+    version='2.1.0',
     py_modules=["staking_deposit"],
     packages=find_packages(exclude=('tests', 'docs')),
-    python_requires=">=3.7,<4",
+    python_requires=">=3.8,<4",
 )
diff --git a/staking_deposit/cli/existing_mnemonic.py b/staking_deposit/cli/existing_mnemonic.py
index 98e8bcd4..97e090f6 100644
--- a/staking_deposit/cli/existing_mnemonic.py
+++ b/staking_deposit/cli/existing_mnemonic.py
@@ -5,7 +5,7 @@
 
 from staking_deposit.exceptions import ValidationError
 from staking_deposit.key_handling.key_derivation.mnemonic import (
-    verify_mnemonic,
+    reconstruct_mnemonic,
 )
 from staking_deposit.utils.constants import (
     WORD_LISTS_PATH,
@@ -23,7 +23,8 @@
 
 
 def validate_mnemonic(ctx: click.Context, param: Any, mnemonic: str) -> str:
-    if verify_mnemonic(mnemonic, WORD_LISTS_PATH):
+    mnemonic = reconstruct_mnemonic(mnemonic, WORD_LISTS_PATH)
+    if mnemonic is not None:
         return mnemonic
     else:
         raise ValidationError(load_text(['err_invalid_mnemonic']))
diff --git a/staking_deposit/cli/new_mnemonic.py b/staking_deposit/cli/new_mnemonic.py
index da2e7134..f288aeac 100644
--- a/staking_deposit/cli/new_mnemonic.py
+++ b/staking_deposit/cli/new_mnemonic.py
@@ -5,6 +5,7 @@
 
 from staking_deposit.key_handling.key_derivation.mnemonic import (
     get_mnemonic,
+    reconstruct_mnemonic,
 )
 from staking_deposit.utils.click import (
     captive_prompt_callback,
@@ -47,7 +48,7 @@
 def new_mnemonic(ctx: click.Context, mnemonic_language: str, **kwargs: Any) -> None:
     mnemonic = get_mnemonic(language=mnemonic_language, words_path=WORD_LISTS_PATH)
     test_mnemonic = ''
-    while mnemonic != test_mnemonic:
+    while mnemonic != reconstruct_mnemonic(test_mnemonic, WORD_LISTS_PATH):
         click.clear()
         click.echo(load_text(['msg_mnemonic_presentation']))
         click.echo('\n\n%s\n\n' % mnemonic)
@@ -55,7 +56,6 @@ def new_mnemonic(ctx: click.Context, mnemonic_language: str, **kwargs: Any) -> N
 
         click.clear()
         test_mnemonic = click.prompt(load_text(['msg_mnemonic_retype_prompt']) + '\n\n')
-        test_mnemonic = test_mnemonic.lower()
     click.clear()
     # Do NOT use mnemonic_password.
     ctx.obj = {'mnemonic': mnemonic, 'mnemonic_password': ''}
diff --git a/staking_deposit/intl/ar/deposit.json b/staking_deposit/intl/ar/deposit.json
index cc30c9ff..45136718 100644
--- a/staking_deposit/intl/ar/deposit.json
+++ b/staking_deposit/intl/ar/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "إصدار بايثون الخاص بك غير كافٍ، يرجى تثبيت الإصدار 3.7 أو الأحدث."
+        "err_python_version": "إصدار بايثون الخاص بك غير كافٍ، يرجى تثبيت الإصدار 3.8 أو الأحدث."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/el/deposit.json b/staking_deposit/intl/el/deposit.json
index 32ebca25..42858841 100644
--- a/staking_deposit/intl/el/deposit.json
+++ b/staking_deposit/intl/el/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "Η έκδοση python σας δεν είναι επαρκής, εγκαταστήστε την έκδοση 3.7 ή μεγαλύτερη."
+        "err_python_version": "Η έκδοση python σας δεν είναι επαρκής, εγκαταστήστε την έκδοση 3.8 ή μεγαλύτερη."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/en/cli/existing_mnemonic.json b/staking_deposit/intl/en/cli/existing_mnemonic.json
index 9b70c276..af57b5b8 100644
--- a/staking_deposit/intl/en/cli/existing_mnemonic.json
+++ b/staking_deposit/intl/en/cli/existing_mnemonic.json
@@ -8,7 +8,7 @@
         },
         "arg_mnemonic": {
             "help": "The mnemonic that you used to generate your keys. (It is recommended not to use this argument, and wait for the CLI to ask you for your mnemonic as otherwise it will appear in your shell history.)",
-            "prompt": "Please enter your mnemonic separated by spaces (\" \")"
+            "prompt": "Please enter your mnemonic separated by spaces (\" \"). Note: you only need to enter the first 4 letters of each word if you'd prefer."
         },
         "arg_mnemonic_password": {
             "help": "This is almost certainly not the argument you are looking for: it is for mnemonic passwords, not keystore passwords. Providing a password here when you didn't use one initially, can result in lost keys (and therefore funds)! Also note that if you used this tool to generate your mnemonic initially, then you did not use a mnemonic password. However, if you are certain you used a password to \"increase\" the security of your mnemonic, this is where you enter it.",
diff --git a/staking_deposit/intl/en/cli/new_mnemonic.json b/staking_deposit/intl/en/cli/new_mnemonic.json
index 2c6d54c3..feee3ac2 100644
--- a/staking_deposit/intl/en/cli/new_mnemonic.json
+++ b/staking_deposit/intl/en/cli/new_mnemonic.json
@@ -10,6 +10,6 @@
         },
         "msg_mnemonic_presentation": "This is your mnemonic (seed phrase). Write it down and store it safely. It is the ONLY way to retrieve your deposit.",
         "msg_press_any_key": "Press any key when you have written down your mnemonic.",
-        "msg_mnemonic_retype_prompt": "Please type your mnemonic (separated by spaces) to confirm you have written it down"
+        "msg_mnemonic_retype_prompt": "Please type your mnemonic (separated by spaces) to confirm you have written it down. Note: you only need to enter the first 4 letters of each word if you'd prefer."
     }
 }
diff --git a/staking_deposit/intl/en/deposit.json b/staking_deposit/intl/en/deposit.json
index 39755c08..5af17d1a 100644
--- a/staking_deposit/intl/en/deposit.json
+++ b/staking_deposit/intl/en/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "Your python version is insufficient, please install version 3.7 or greater."
+        "err_python_version": "Your python version is insufficient, please install version 3.8 or greater."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/fr/deposit.json b/staking_deposit/intl/fr/deposit.json
index 24220bdc..914f4082 100644
--- a/staking_deposit/intl/fr/deposit.json
+++ b/staking_deposit/intl/fr/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "Votre version de Python est insuffisante. Veuillez installer la version 3.7 ou supérieure."
+        "err_python_version": "Votre version de Python est insuffisante. Veuillez installer la version 3.8 ou supérieure."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/id/deposit.json b/staking_deposit/intl/id/deposit.json
index 9f4979d2..b1dc399a 100644
--- a/staking_deposit/intl/id/deposit.json
+++ b/staking_deposit/intl/id/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "Versi python Anda tidak cukup, harap instal versi 3.7 atau yang lebih baru."
+        "err_python_version": "Versi python Anda tidak cukup, harap instal versi 3.8 atau yang lebih baru."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/it/deposit.json b/staking_deposit/intl/it/deposit.json
index c892d630..05ee0761 100644
--- a/staking_deposit/intl/it/deposit.json
+++ b/staking_deposit/intl/it/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "La tua versione di python non è sufficiente, installa la versione 3.7 o superiore."
+        "err_python_version": "La tua versione di python non è sufficiente, installa la versione 3.8 o superiore."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/ja/deposit.json b/staking_deposit/intl/ja/deposit.json
index 1b75d8ad..bdbced67 100644
--- a/staking_deposit/intl/ja/deposit.json
+++ b/staking_deposit/intl/ja/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "Python のバージョンが最新ではありません。バージョン 3.7 以降をインストールしてください。"
+        "err_python_version": "Python のバージョンが最新ではありません。バージョン 3.8 以降をインストールしてください。"
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/ko/deposit.json b/staking_deposit/intl/ko/deposit.json
index 8bb4a274..39ebf7a1 100644
--- a/staking_deposit/intl/ko/deposit.json
+++ b/staking_deposit/intl/ko/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "Python 버전이 너무 낮습니다. 3.7 이상 버전을 설치하세요."
+        "err_python_version": "Python 버전이 너무 낮습니다. 3.8 이상 버전을 설치하세요."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/pt-BR/deposit.json b/staking_deposit/intl/pt-BR/deposit.json
index 4b2fa17e..bf5bbbdc 100644
--- a/staking_deposit/intl/pt-BR/deposit.json
+++ b/staking_deposit/intl/pt-BR/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "Sua versão do python é insuficiente, por favor instale a versão 3.7 ou superior."
+        "err_python_version": "Sua versão do python é insuficiente, por favor instale a versão 3.8 ou superior."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/ro/deposit.json b/staking_deposit/intl/ro/deposit.json
index 991b5070..c592697b 100644
--- a/staking_deposit/intl/ro/deposit.json
+++ b/staking_deposit/intl/ro/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "Versiunea de python este prea veche, te rugăm să instalezi versiunea 3.7 sau una mai recentă."
+        "err_python_version": "Versiunea de python este prea veche, te rugăm să instalezi versiunea 3.8 sau una mai recentă."
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/intl/zh-CN/deposit.json b/staking_deposit/intl/zh-CN/deposit.json
index 6d8766e2..ae98045d 100644
--- a/staking_deposit/intl/zh-CN/deposit.json
+++ b/staking_deposit/intl/zh-CN/deposit.json
@@ -1,5 +1,5 @@
 {
     "check_python_version": {
-        "err_python_version": "您的 python 版本不足，请安装 3.7 或以上版本。"
+        "err_python_version": "您的 python 版本不足，请安装 3.8 或以上版本。"
     }
 }
\ No newline at end of file
diff --git a/staking_deposit/key_handling/key_derivation/mnemonic.py b/staking_deposit/key_handling/key_derivation/mnemonic.py
index c93c37f4..d1d98b4a 100644
--- a/staking_deposit/key_handling/key_derivation/mnemonic.py
+++ b/staking_deposit/key_handling/key_derivation/mnemonic.py
@@ -2,6 +2,7 @@
 from unicodedata import normalize
 from secrets import randbits
 from typing import (
+    List,
     Optional,
     Sequence,
 )
@@ -68,9 +69,10 @@ def determine_mnemonic_language(mnemonic: str, words_path: str) -> Sequence[str]
     languages = MNEMONIC_LANG_OPTIONS.keys()
     word_language_map = {word: lang for lang in languages for word in _get_word_list(lang, words_path)}
     try:
-        mnemonic_list = mnemonic.split(' ')
-        word_languages = [word_language_map[word] for word in mnemonic_list]
-        return list(set(word_languages))
+        mnemonic_list = [normalize('NFKC', word)[:4] for word in mnemonic.lower().split(' ')]
+        word_languages = [[lang for word, lang in word_language_map.items() if normalize('NFKC', word)[:4] == abbrev]
+                          for abbrev in mnemonic_list]
+        return list(set(sum(word_languages, [])))
     except KeyError:
         raise ValueError('Word not found in mnemonic word lists for any language.')
 
@@ -90,30 +92,48 @@ def _get_checksum(entropy: bytes) -> int:
     return int.from_bytes(SHA256(entropy), 'big') >> (256 - checksum_length)
 
 
-def verify_mnemonic(mnemonic: str, words_path: str) -> bool:
+def abbreviate_words(words: Sequence[str]) -> List[str]:
     """
-    Given a mnemonic, verify it against its own checksum."
+    Given a series of word strings, return the 4-letter version of each word (which is unique according to BIP39)
+    """
+    return [normalize('NFKC', word)[:4] for word in words]
+
+
+def reconstruct_mnemonic(mnemonic: str, words_path: str) -> Optional[str]:
+    """
+    Given a mnemonic, a reconstructed the full version (incase the abbreviated words were used)
+    then verify it against its own checksum
     """
     try:
         languages = determine_mnemonic_language(mnemonic, words_path)
     except ValueError:
-        return False
+        return None
+    reconstructed_mnemonic = None
     for language in languages:
         try:
-            word_list = _get_word_list(language, words_path)
-            mnemonic_list = mnemonic.split(' ')
-            if len(mnemonic_list) not in range(12, 25, 3):
-                return False
-            word_indices = [_word_to_index(word_list, word) for word in mnemonic_list]
+            abbrev_word_list = abbreviate_words(_get_word_list(language, words_path))
+            abbrev_mnemonic_list = abbreviate_words(mnemonic.lower().split(' '))
+            if len(abbrev_mnemonic_list) not in range(12, 25, 3):
+                return None
+            word_indices = [_word_to_index(abbrev_word_list, word) for word in abbrev_mnemonic_list]
             mnemonic_int = _uint11_array_to_uint(word_indices)
-            checksum_length = len(mnemonic_list) // 3
+            checksum_length = len(abbrev_mnemonic_list) // 3
             checksum = mnemonic_int & 2**checksum_length - 1
             entropy = (mnemonic_int - checksum) >> checksum_length
             entropy_bits = entropy.to_bytes(checksum_length * 4, 'big')
-            return _get_checksum(entropy_bits) == checksum
+            full_word_list = _get_word_list(language, words_path)
+            if _get_checksum(entropy_bits) == checksum:
+                """
+                This check guarantees that only one language has a valid mnemonic.
+                It is needed to ensure abbrivated words aren't valid in multiple languages
+                """
+                assert reconstructed_mnemonic is None
+                reconstructed_mnemonic = ' '.join([_index_to_word(full_word_list, index) for index in word_indices])
+            else:
+                pass
         except ValueError:
             pass
-    return False
+    return reconstructed_mnemonic
 
 
 def get_mnemonic(*, language: str, words_path: str, entropy: Optional[bytes]=None) -> str:
diff --git a/staking_deposit/settings.py b/staking_deposit/settings.py
index abf5c973..dbaced5f 100644
--- a/staking_deposit/settings.py
+++ b/staking_deposit/settings.py
@@ -1,7 +1,7 @@
 from typing import Dict, NamedTuple
 
 
-DEPOSIT_CLI_VERSION = '2.0.0'
+DEPOSIT_CLI_VERSION = '2.1.0'
 
 
 class BaseChainSetting(NamedTuple):
diff --git a/tests/test_cli/test_existing_menmonic.py b/tests/test_cli/test_existing_menmonic.py
index 25e0556d..bcd5a8a1 100644
--- a/tests/test_cli/test_existing_menmonic.py
+++ b/tests/test_cli/test_existing_menmonic.py
@@ -152,3 +152,50 @@ async def test_script() -> None:
 
     # Clean up
     clean_key_folder(my_folder_path)
+
+
+@pytest.mark.asyncio
+async def test_script_abbreviated_mnemonic() -> None:
+    my_folder_path = os.path.join(os.getcwd(), 'TESTING_TEMP_FOLDER')
+    if not os.path.exists(my_folder_path):
+        os.mkdir(my_folder_path)
+
+    if os.name == 'nt':  # Windows
+        run_script_cmd = 'sh deposit.sh'
+    else:  # Mac or Linux
+        run_script_cmd = './deposit.sh'
+
+    install_cmd = run_script_cmd + ' install'
+    proc = await asyncio.create_subprocess_shell(
+        install_cmd,
+    )
+    await proc.wait()
+
+    cmd_args = [
+        run_script_cmd,
+        '--language', 'english',
+        '--non_interactive',
+        'existing-mnemonic',
+        '--num_validators', '1',
+        '--mnemonic="aban aban aban aban aban aban aban aban aban aban aban abou"',
+        '--mnemonic-password', 'TREZOR',
+        '--validator_start_index', '1',
+        '--chain', 'mainnet',
+        '--keystore_password', 'MyPassword',
+        '--folder', my_folder_path,
+    ]
+    proc = await asyncio.create_subprocess_shell(
+        ' '.join(cmd_args),
+    )
+    await proc.wait()
+    # Check files
+    validator_keys_folder_path = os.path.join(my_folder_path, DEFAULT_VALIDATOR_KEYS_FOLDER_NAME)
+    _, _, key_files = next(os.walk(validator_keys_folder_path))
+
+    # Verify file permissions
+    if os.name == 'posix':
+        for file_name in key_files:
+            assert get_permissions(validator_keys_folder_path, file_name) == '0o440'
+
+    # Clean up
+    clean_key_folder(my_folder_path)
diff --git a/tests/test_cli/test_new_mnemonic.py b/tests/test_cli/test_new_mnemonic.py
index 098bc6a8..fb70a255 100644
--- a/tests/test_cli/test_new_mnemonic.py
+++ b/tests/test_cli/test_new_mnemonic.py
@@ -9,6 +9,7 @@
 
 from staking_deposit.cli import new_mnemonic
 from staking_deposit.deposit import cli
+from staking_deposit.key_handling.key_derivation.mnemonic import abbreviate_words
 from staking_deposit.utils.constants import DEFAULT_VALIDATOR_KEYS_FOLDER_NAME, ETH1_ADDRESS_WITHDRAWAL_PREFIX
 from staking_deposit.utils.intl import load_text
 from .helpers import clean_key_folder, get_permissions, get_uuid
@@ -17,7 +18,7 @@
 def test_new_mnemonic_bls_withdrawal(monkeypatch) -> None:
     # monkeypatch get_mnemonic
     def mock_get_mnemonic(language, words_path, entropy=None) -> str:
-        return "fakephrase"
+        return "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"
 
     monkeypatch.setattr(new_mnemonic, "get_mnemonic", mock_get_mnemonic)
 
@@ -28,7 +29,8 @@ def mock_get_mnemonic(language, words_path, entropy=None) -> str:
         os.mkdir(my_folder_path)
 
     runner = CliRunner()
-    inputs = ['english', 'english', '1', 'mainnet', 'MyPassword', 'MyPassword', 'fakephrase']
+    inputs = ['english', 'english', '1', 'mainnet', 'MyPassword', 'MyPassword',
+              'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about']
     data = '\n'.join(inputs)
     result = runner.invoke(cli, ['new-mnemonic', '--folder', my_folder_path], input=data)
     assert result.exit_code == 0
@@ -56,7 +58,7 @@ def mock_get_mnemonic(language, words_path, entropy=None) -> str:
 def test_new_mnemonic_eth1_address_withdrawal(monkeypatch) -> None:
     # monkeypatch get_mnemonic
     def mock_get_mnemonic(language, words_path, entropy=None) -> str:
-        return "fakephrase"
+        return "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"
 
     monkeypatch.setattr(new_mnemonic, "get_mnemonic", mock_get_mnemonic)
 
@@ -67,7 +69,8 @@ def mock_get_mnemonic(language, words_path, entropy=None) -> str:
         os.mkdir(my_folder_path)
 
     runner = CliRunner()
-    inputs = ['english', '1', 'mainnet', 'MyPassword', 'MyPassword', 'fakephrase']
+    inputs = ['english', '1', 'mainnet', 'MyPassword', 'MyPassword',
+              'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about']
     data = '\n'.join(inputs)
     eth1_withdrawal_address = '0x00000000219ab540356cbb839cbe05303d7705fa'
     arguments = [
@@ -178,3 +181,76 @@ async def test_script() -> None:
 
     # Clean up
     clean_key_folder(my_folder_path)
+
+
+@pytest.mark.asyncio
+async def test_script_abbreviated_mnemonic() -> None:
+    my_folder_path = os.path.join(os.getcwd(), 'TESTING_TEMP_FOLDER')
+    if not os.path.exists(my_folder_path):
+        os.mkdir(my_folder_path)
+
+    if os.name == 'nt':  # Windows
+        run_script_cmd = 'sh deposit.sh'
+    else:  # Mac or Linux
+        run_script_cmd = './deposit.sh'
+
+    install_cmd = run_script_cmd + ' install'
+    proc = await asyncio.create_subprocess_shell(
+        install_cmd,
+    )
+    await proc.wait()
+
+    cmd_args = [
+        run_script_cmd,
+        '--language', 'english',
+        '--non_interactive',
+        'new-mnemonic',
+        '--num_validators', '5',
+        '--mnemonic_language', 'english',
+        '--chain', 'mainnet',
+        '--keystore_password', 'MyPassword',
+        '--folder', my_folder_path,
+    ]
+    proc = await asyncio.create_subprocess_shell(
+        ' '.join(cmd_args),
+        stdin=asyncio.subprocess.PIPE,
+        stdout=asyncio.subprocess.PIPE,
+    )
+
+    seed_phrase = ''
+    parsing = False
+    mnemonic_json_file = os.path.join(os.getcwd(), 'staking_deposit/../staking_deposit/cli/', 'new_mnemonic.json')
+    async for out in proc.stdout:
+        output = out.decode('utf-8').rstrip()
+        if output.startswith(load_text(['msg_mnemonic_presentation'], mnemonic_json_file, 'new_mnemonic')):
+            parsing = True
+        elif output.startswith(load_text(['msg_mnemonic_retype_prompt'], mnemonic_json_file, 'new_mnemonic')):
+            parsing = False
+        elif parsing:
+            seed_phrase += output
+            if len(seed_phrase) > 0:
+                abbreviated_mnemonic = ' '.join(abbreviate_words(seed_phrase.split(' ')))
+                encoded_phrase = abbreviated_mnemonic.encode()
+                proc.stdin.write(encoded_phrase)
+                proc.stdin.write(b'\n')
+
+    assert len(seed_phrase) > 0
+
+    # Check files
+    validator_keys_folder_path = os.path.join(my_folder_path, DEFAULT_VALIDATOR_KEYS_FOLDER_NAME)
+    _, _, key_files = next(os.walk(validator_keys_folder_path))
+
+    all_uuid = [
+        get_uuid(validator_keys_folder_path + '/' + key_file)
+        for key_file in key_files
+        if key_file.startswith('keystore')
+    ]
+    assert len(set(all_uuid)) == 5
+
+    # Verify file permissions
+    if os.name == 'posix':
+        for file_name in key_files:
+            assert get_permissions(validator_keys_folder_path, file_name) == '0o440'
+
+    # Clean up
+    clean_key_folder(my_folder_path)
diff --git a/tests/test_key_handling/test_key_derivation/test_mnemonic.py b/tests/test_key_handling/test_key_derivation/test_mnemonic.py
index a913e391..9d1ae9d0 100644
--- a/tests/test_key_handling/test_key_derivation/test_mnemonic.py
+++ b/tests/test_key_handling/test_key_derivation/test_mnemonic.py
@@ -11,9 +11,10 @@
 from staking_deposit.key_handling.key_derivation.mnemonic import (
     _index_to_word,
     _get_word_list,
+    abbreviate_words,
     get_seed,
     get_mnemonic,
-    verify_mnemonic,
+    reconstruct_mnemonic,
 )
 
 
@@ -40,13 +41,30 @@ def test_bip39(language: str, test: Sequence[str]) -> None:
 
 
 @pytest.mark.parametrize(
-    'test_mnemonic,is_valid',
-    [(test_mnemonic[1], True)
+    'test_mnemonic',
+    [(test_mnemonic[1])
      for _, language_test_vectors in test_vectors.items()
      for test_mnemonic in language_test_vectors]
 )
-def test_verify_mnemonic(test_mnemonic: str, is_valid: bool) -> None:
-    assert verify_mnemonic(test_mnemonic, WORD_LISTS_PATH) == is_valid
+def test_reconstruct_mnemonic(test_mnemonic: str) -> None:
+    assert reconstruct_mnemonic(test_mnemonic, WORD_LISTS_PATH) is not None
+
+
+def abbreviate_mnemonic(mnemonic: str) -> str:
+    words = str.split(mnemonic)
+    words = abbreviate_words(words)
+    assert all([len(word) <= 4 for word in words])
+    return str.join(' ', words)
+
+
+@pytest.mark.parametrize(
+    'test_mnemonic',
+    [abbreviate_mnemonic(test_mnemonic[1])
+     for _, language_test_vectors in test_vectors.items()
+     for test_mnemonic in language_test_vectors]
+)
+def test_reconstruct_abbreviated_mnemonic(test_mnemonic: str) -> None:
+    assert reconstruct_mnemonic(test_mnemonic, WORD_LISTS_PATH) is not None
 
 
 @pytest.mark.parametrize(
diff --git a/tox.ini b/tox.ini
index 69858060..85356efe 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,14 @@
 [tox]
 envlist=
-    py{37,38}-core
-    py{37,38}-lint
-    py{37,38}-script
+    py{310,38}-core
+    py{310,38}-lint
+    py{310,38}-script
 
 [testenv]
 passenv=
     PYTEST_ADDOPTS
 basepython=
-    py37: python3.7
+    py310: python3.10
     py38: python3.8
 
 [common-install]
@@ -33,7 +33,7 @@ deps=
 commands=
     python {toxinidir}/test_deposit_script.py
 
-[testenv:py37-core]
+[testenv:py310-core]
 deps={[common-core]deps}
 commands={[common-core]commands}
 
@@ -41,7 +41,7 @@ commands={[common-core]commands}
 deps={[common-core]deps}
 commands={[common-core]commands}
 
-[testenv:py37-lint]
+[testenv:py310-lint]
 deps={[common-lint]deps}
 commands={[common-lint]commands}
 
@@ -49,7 +49,7 @@ commands={[common-lint]commands}
 deps={[common-lint]deps}
 commands={[common-lint]commands}
 
-[testenv:py37-script]
+[testenv:py310-script]
 deps={[common-script]deps}
 commands={[common-script]commands}