diff --git a/.gitea/workflows/run-tests.yml b/.gitea/workflows/run-tests.yml
index 10ca391..5626463 100644
--- a/.gitea/workflows/run-tests.yml
+++ b/.gitea/workflows/run-tests.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Python 3.9
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: '3.9.20'
 
       - name: Install the latest version of uv
         run: |