diff --git a/.github/workflows/ci-system-upgrade_tools_and_clean.yml b/.github/workflows/ci-system-upgrade_tools_and_clean.yml
index 7d23d5718c..fc35703948 100644
--- a/.github/workflows/ci-system-upgrade_tools_and_clean.yml
+++ b/.github/workflows/ci-system-upgrade_tools_and_clean.yml
@@ -17,7 +17,9 @@ concurrency:
 
 jobs:
   upgrade_tools:
-    if: ${{ contains(github.event.label.name, 'ci:upgrade_tools') || contains(github.event_name, 'schedule') }} 
+    if: |
+      (github.event_name == 'pull_request' && github.event.label.name == 'ci:upgrade_tools') ||
+      contains(github.event_name, 'schedule')
     name: Upgrade tools
     runs-on: [self-hosted, iOS]