diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index b5c0c098..520512a7 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -6,6 +6,8 @@ on: [push, pull_request]
 
 jobs:
   test:
+    runs-on: ubuntu-latest
+    steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with: