diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09886500..55e7870f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,7 +1,7 @@
 name: CI
 
 on:
-  push:
+  pull_request:
     branches: [ main, develop ]
     paths-ignore:
       - '**/*.md'
@@ -10,10 +10,12 @@ on:
       - 'docs/**'
       - 'scripts/**'
       - 'LICENSE'
-  pull_request:
-    branches: [ main, develop ]
   workflow_dispatch:
 
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   check:
     runs-on: ubuntu-latest