diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index 3c5e8a7..f6e4ef1 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -8,8 +8,10 @@ on:
     - cron: "0 12 * * 1"
   pull_request_target:
     types: [opened, synchronize, reopened, ready_for_review]
+
 jobs:
   call-run-python-tests:
+    runs-on: ubuntu-latest
     steps:
     - name: Set test dir
       run: |