diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d069165..e3a143e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,10 @@ on:
 
 permissions: read-all
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
 jobs:
   ci:
     runs-on: ${{ vars.CI_RUNNERS || 'ubuntu-latest' }}