diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bf9ae20..cfcb20d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: [ main ]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+  
 jobs:
   test:
     name: +test