diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index fb31921b7..a7499a122 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -43,7 +43,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-        python-version: "3.12"
+        python-version: "3.11"
     - name: Install ruff
       # Keep in sync with the ruff version in pyproject.toml
       run: pip install ruff==0.6.9