diff --git a/.github/workflows/ci-py-only.yml b/.github/workflows/ci-py-only.yml
index cded3ca5ff..783b361daf 100644
--- a/.github/workflows/ci-py-only.yml
+++ b/.github/workflows/ci-py-only.yml
@@ -20,7 +20,7 @@ jobs:
       - run: echo ok go
 
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     needs: activate
     steps:
       - uses: actions/checkout@v2