diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5e0d73eb..9cf819145 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,9 @@ on:
       - '*'
 permissions:
   contents: read
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   rubocop: