diff --git a/.github/workflows/code_quality.yml b/.github/workflows/code_quality.yml
index de80de1..d8c8fd2 100644
--- a/.github/workflows/code_quality.yml
+++ b/.github/workflows/code_quality.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
     uses: OpenJobDescription/.github/.github/workflows/reusable_python_build.yml@mainline
     with:
       os: ${{ matrix.os }}
diff --git a/.github/workflows/release_publish.yml b/.github/workflows/release_publish.yml
index 90d1ecb..050fda8 100644
--- a/.github/workflows/release_publish.yml
+++ b/.github/workflows/release_publish.yml
@@ -78,7 +78,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v7
         with:
-          python-version: '3.9'
+          python-version: '3.10'
       - name: Install dependencies
         run: |
           pip install --upgrade hatch "virtualenv<21"