diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 23384df..8534ed0 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   dependencies:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - name: Setup Python