diff --git a/.github/workflows/aiter-test.yaml b/.github/workflows/aiter-test.yaml
index cc869a32d3..7036990505 100644
--- a/.github/workflows/aiter-test.yaml
+++ b/.github/workflows/aiter-test.yaml
@@ -17,7 +17,8 @@ on:
     - cron: '0 22 * * *'  # 6:00 AM Beijing Time (UTC+8)
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  # Keep scheduled main runs from blocking push-triggered validation.
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
   cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 env: