diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 07662d3..6c5360b 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -14,8 +14,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.11.6
 
       - name: Build docs requirements
         run: pip install -r docs/requirements.txt