diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index 0d5585b70343f..a7a3cecbf215a 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -1,7 +1,8 @@
 name: PR Labeling
 on:
-  schedule:
-    - cron: '*/5 * * * *'
+  pull_request:
+    types: [synchronize]
+
 jobs:
   labeler:
     runs-on: ubuntu-latest