diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a83d5a5..4747c26 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,6 +22,10 @@ on:
       - .github/workflows/test.yml
       - .github/workflows/constraints.txt
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   tests:
     runs-on: ubuntu-latest