diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index fa608055..271e6a2f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -69,7 +69,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: '3.10'
+        python-version: '3.9'
     - uses: actions/cache@v2
       name: Configure pip caching
       with: