diff --git a/.github/workflows/native_backend_tests.yml b/.github/workflows/native_backend_tests.yml
index 9733183c5a..757229346b 100644
--- a/.github/workflows/native_backend_tests.yml
+++ b/.github/workflows/native_backend_tests.yml
@@ -43,6 +43,10 @@ on:
       - 'vlib/v/gen/native/**.v'
       - 'vlib/v/gen/native/tests/**.v'
 
+concurrency:
+  group: native-backend-ci-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   native-backend:
     strategy: