diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 78a8a897..3efa06df 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,6 +15,10 @@ on:
 
 permissions: read-all
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}