diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 15da93837..308d4f12a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,8 +7,8 @@ on:
       - fix-docs-publishing
   pull_request:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.event.pull_request.number || github.ref }}
+concurrency: 
+  group: ${{ github.workflow }}-${{ github.event.pull_request.head.sha || github.sha }}
   cancel-in-progress: true
 
 jobs: