diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5bf7cdf..d4fea41 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: '3.10.13'
+        python-version: '3.9'
 
     - name: Install dependencies
       run: |