diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 81cec19c..0a47ed97 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,6 +9,10 @@ on:
     branches:
       - master
 
+concurrency:
+  group: "${{ github.workflow }}-${{ github.head_ref }}"
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
 permissions: {}
 
 jobs: