diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index b9e89cf8..1c57e2c4 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           cache: 'pip'
           cache-dependency-path: 'setup.py'
 
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 74028244..92d353f1 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -24,7 +24,7 @@ jobs:
         # Another CI test matrix slot to test against prerelease versions of Python packages.
         include:
           - os: 'ubuntu-latest'
-            python-version: '3.11'
+            python-version: '3.12'
             cratedb-version: 'nightly'
             sqla-version: 'latest'
             pip-allow-prerelease: 'true'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4d35c3c2..00575d66 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: '3.12'
           cache: 'pip'
           cache-dependency-path: 'setup.py'
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1d54e686..8244470f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -38,7 +38,7 @@ jobs:
         # Another CI test matrix slot to test against prerelease versions of Python packages.
         include:
           - os: 'ubuntu-latest'
-            python-version: '3.11'
+            python-version: '3.12'
             cratedb-version: '5.2.2'
             sqla-version: 'latest'
             pip-allow-prerelease: 'true'