diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c7508886f..986525445 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,10 @@ on:
   pull_request:
     branches: [main]
 
+concurrency:
+  group: ci-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   preflight:
     runs-on: ubuntu-latest