diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5ffca54f9..fe9610ce3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -65,7 +65,7 @@ jobs:
 
     - uses: actions/setup-python@v4
       with:
-        python-version: '3.10'
+        python-version: '3.9'
 
     - name: Install dependencies
       run: pip install -r requirements/requirements-documentation.txt