diff --git a/.github/workflows/astronomy-engine-tests.yml b/.github/workflows/astronomy-engine-tests.yml
index 00db4d44..a79e0de6 100644
--- a/.github/workflows/astronomy-engine-tests.yml
+++ b/.github/workflows/astronomy-engine-tests.yml
@@ -18,7 +18,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: 3.10
     - name: Install Python tools
       run: python -m pip install --upgrade pip && pip install mypy
     - name: Install documentation tools Linux