diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1c803f9..abee258 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,10 +4,17 @@ on:
   push:
     branches: [main]
   pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   check:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     steps:
       - uses: actions/checkout@v4