diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 125f0fa9..4348f9fd 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: '3.8'
+          python-version: '3.9'
 
       - run: pip install -r requirements.txt
       - run: sphinx-build docs/standard build -c .