diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f5b8438..b1e19e0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 'latest'
+          python-version: '3.8'
 
       - name: Install pip dependencies
         run: |