diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c1fb062..53e8d01 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,10 @@ on:
       - '.github/**'
   workflow_dispatch:
 
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   ci:
     name: CI