diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 198e348..1001c89 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,10 @@ on:
     tags-ignore:
       - "**"
 
+concurrency:
+  group: ci-${{ github.repository }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
 permissions:
   contents: read