diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 8adce86c69f0c..8403063f955ca 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -54,7 +54,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.8.14
+                  python-version: 3.9.16
                   token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN }}
 
             - uses: syphar/restore-virtualenv@v1
diff --git a/.github/workflows/ci-backend.yml b/.github/workflows/ci-backend.yml
index e3ee487088914..d6c96e5f1b018 100644
--- a/.github/workflows/ci-backend.yml
+++ b/.github/workflows/ci-backend.yml
@@ -98,7 +98,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.8.14
+                  python-version: 3.9.16
                   token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN }}
 
             - uses: syphar/restore-virtualenv@v1
@@ -145,10 +145,10 @@ jobs:
             - name: Check if antlr definitions are up to date
               run: |
                   # Installing a version of ant compatible with what we use in development from homebrew (4.11)
-                  # "apt-get install antlr" would install 4.7 which is incompatible with our grammar. 
+                  # "apt-get install antlr" would install 4.7 which is incompatible with our grammar.
                   export ANTLR_VERSION=4.11.1
                   # java version doesn't matter
-                  sudo apt-get install default-jre 
+                  sudo apt-get install default-jre
                   mkdir antlr
                   cd antlr
                   curl -o antlr.jar https://www.antlr.org/download/antlr-$ANTLR_VERSION-complete.jar
@@ -183,7 +183,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.8.14
+                  python-version: 3.9.16
                   token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN }}
 
             - uses: syphar/restore-virtualenv@v1
@@ -235,7 +235,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                python-version: ['3.8.14']
+                python-version: ['3.9.16']
                 clickhouse-server-image: ['clickhouse/clickhouse-server:22.8']
                 segment: ['FOSS', 'EE']
                 person-on-events: [false, true]
@@ -329,7 +329,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.8.14
+                  python-version: 3.9.16
                   token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN }}
 
             - uses: syphar/restore-virtualenv@v1
@@ -419,7 +419,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.8.14
+                  python-version: 3.9.16
                   token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN }}
 
             - name: Install SAML (python3-saml) dependencies
diff --git a/.github/workflows/ci-plugin-server.yml b/.github/workflows/ci-plugin-server.yml
index 5ac3ee72e7056..307296b289a04 100644
--- a/.github/workflows/ci-plugin-server.yml
+++ b/.github/workflows/ci-plugin-server.yml
@@ -99,7 +99,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.8.14
+                  python-version: 3.9.16
                   token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN }}
 
             - uses: syphar/restore-virtualenv@v1
@@ -110,6 +110,11 @@ jobs:
             - uses: syphar/restore-pip-download-cache@v1
               if: steps.cache-backend-tests.outputs.cache-hit != 'true'
 
+            - name: Install SAML (python3-saml) dependencies
+              run: |
+                  sudo apt-get update
+                  sudo apt-get install libxml2-dev libxmlsec1-dev libxmlsec1-openssl
+
             - name: Install python dependencies
               if: steps.cache-backend-tests.outputs.cache-hit != 'true'
               run: |
@@ -181,7 +186,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.8.14
+                  python-version: 3.9.16
                   token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN }}
 
             - uses: syphar/restore-virtualenv@v1
diff --git a/production.Dockerfile b/production.Dockerfile
index 65b52c541c154..a92e9dfd79f0d 100644
--- a/production.Dockerfile
+++ b/production.Dockerfile
@@ -75,7 +75,7 @@ RUN corepack enable && \
 #
 # ---------------------------------------------------------
 #
-FROM python:3.8.14-slim-bullseye AS posthog-build
+FROM python:3.9.16-slim-bullseye AS posthog-build
 WORKDIR /code
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
@@ -129,7 +129,7 @@ RUN apt-get update && \
 #
 # ---------------------------------------------------------
 #
-FROM python:3.8.14-slim-bullseye
+FROM python:3.9.16-slim-bullseye
 WORKDIR /code
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 ENV PYTHONUNBUFFERED 1
diff --git a/requirements-dev.in b/requirements-dev.in
index 9ce9d83d0d5db..d3096ba4daaec 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -36,7 +36,7 @@ types-pytz==2021.3.2
 types-redis==4.3.20
 types-requests==2.26.1
 isort==5.2.2
-pytest==6.2.2
+pytest==6.2.5
 pytest-django==4.1.0
 pytest-env==0.6.2
 pytest-icdiff==0.5
diff --git a/requirements-dev.txt b/requirements-dev.txt
index f632d002d2974..79eb2b73e4a10 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with python 3.8
+# This file is autogenerated by pip-compile with python 3.9
 # To update, run:
 #
 #    pip-compile requirements-dev.in
@@ -125,7 +125,6 @@ idna==2.8
 importlib-resources==5.10.2
     # via
     #   -c requirements.txt
-    #   jsonschema
     #   openapi-spec-validator
 inflect==5.6.2
     # via datamodel-code-generator
@@ -229,7 +228,7 @@ pysocks==1.7.1
     # via
     #   -c requirements.txt
     #   urllib3
-pytest==6.2.2
+pytest==6.2.5
     # via
     #   -r requirements-dev.in
     #   pytest-cov
diff --git a/runtime.txt b/runtime.txt
index c2fd302483f80..c9cbcea6fb056 100644
--- a/runtime.txt
+++ b/runtime.txt
@@ -1 +1 @@
-python-3.8.14
+python-3.9.16