diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5d9badb..649be8b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,6 +2,10 @@ name: build
 
 on: [push, pull_request]
 
+concurrency:
+    group: ${{ github.head_ref || github.ref_name }}
+    cancel-in-progress: true
+
 jobs:
     build:
         runs-on: ubuntu-latest