diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index 7a02b02..3a3c387 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "windows-2019"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-rc.1,pypy-3.6,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.1,pypy-3.6,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -34,10 +34,12 @@ jobs:
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
           - {python-version: "3.11", testenvs: "py311,build", experimental: False}
-          - {python-version: "3.12.0-rc.1", testenvs: "py312-dev,build", experimental: True}
+          - {python-version: "3.12", testenvs: "py312,build", experimental: False}
+          - {python-version: "3.13.0-alpha.1", testenvs: "py313-dev,build", experimental: True}
           - {python-version: "pypy-3.6", testenvs: "pypy36", experimental: False}
-          - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: True}
-          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: True}
+          - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: False}
+          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: False}
+          - {python-version: "pypy-3.9", testenvs: "pypy39,build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_linux.yml b/.github/workflows/python_ci_linux.yml
index e310548..86a8b72 100644
--- a/.github/workflows/python_ci_linux.yml
+++ b/.github/workflows/python_ci_linux.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: "ubuntu-20.04"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-rc.1,pypy-3.6,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.1,pypy-3.6,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -35,10 +35,12 @@ jobs:
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
           - {python-version: "3.11", testenvs: "py311,build", experimental: False}
-          - {python-version: "3.12.0-rc.1", testenvs: "py312-dev,build", experimental: True}
+          - {python-version: "3.12", testenvs: "py312,build", experimental: False}
+          - {python-version: "3.13.0-alpha.1", testenvs: "py313-dev,build", experimental: True}
           - {python-version: "pypy-3.6", testenvs: "pypy36,build", experimental: False}
-          - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: True}
-          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: True}
+          - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: False}
+          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: False}
+          - {python-version: "pypy-3.9", testenvs: "pypy39,build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_macos.yml b/.github/workflows/python_ci_macos.yml
index 7d71f02..c64a775 100644
--- a/.github/workflows/python_ci_macos.yml
+++ b/.github/workflows/python_ci_macos.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "macos-latest"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-rc.1,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.1,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -34,9 +34,11 @@ jobs:
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
           - {python-version: "3.11", testenvs: "py311,build", experimental: False}
-          - {python-version: "3.12.0-rc.1", testenvs: "py312-dev,build", experimental: True}
-          - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: True}
-          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: True}
+          - {python-version: "3.12", testenvs: "py312,build", experimental: False}
+          - {python-version: "3.13.0-alpha.1", testenvs: "py313-dev,build", experimental: True}
+          - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: False}
+          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: False}
+          - {python-version: "pypy-3.9", testenvs: "pypy39,build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/pyproject.toml b/pyproject.toml
index 7a31bbb..2d2ccf5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Topic :: Software Development :: Libraries :: Python Modules",
@@ -58,7 +59,7 @@ base-classifiers = [
     "Topic :: System :: Archiving :: Packaging",
     "Typing :: Typed",
 ]
-python-versions = [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11",]
+python-versions = [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12",]
 python-implementations = [ "CPython", "PyPy",]
 platforms = [ "Windows", "macOS", "Linux",]
 license-key = "MIT"
diff --git a/repo_helper.yml b/repo_helper.yml
index d97781c..374de39 100644
--- a/repo_helper.yml
+++ b/repo_helper.yml
@@ -28,10 +28,12 @@ python_versions:
  - '3.9'
  - "3.10"
  - "3.11"
- - 3.12-dev
+ - "3.12"
+ - 3.13-dev
  - pypy36
  - pypy37
  - pypy38
+ - pypy39
 
 classifiers:
  - 'Development Status :: 4 - Beta'
diff --git a/tox.ini b/tox.ini
index 6481396..b1f5482 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,9 @@
 #     * envlists
 #     * testenv
 #     * testenv:.package
+#     * testenv:py313-dev
 #     * testenv:py312-dev
+#     * testenv:py312
 #     * testenv:docs
 #     * testenv:build
 #     * testenv:lint
@@ -26,10 +28,12 @@ envlist =
     py39
     py310
     py311
-    py312-dev
+    py312
+    py313-dev
     pypy36
     pypy37
     pypy38
+    pypy39
     mypy
     build
 skip_missing_interpreters = True
@@ -41,7 +45,19 @@ requires =
     virtualenv!=20.16.0
 
 [envlists]
-test = py36, py37, py38, py39, py310, py311, py312-dev, pypy36, pypy37, pypy38
+test =
+    py36
+    py37
+    py38
+    py39
+    py310
+    py311
+    py312
+    py313-dev
+    pypy36
+    pypy37
+    pypy38
+    pypy39
 qa = mypy, lint
 cov = py37, coverage
 
@@ -60,7 +76,12 @@ setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
 
-[testenv:py312-dev]
+[testenv:py313-dev]
+setenv =
+    PYTHONDEVMODE=1
+    PIP_DISABLE_PIP_VERSION_CHECK=1
+
+[testenv:py312]
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1