diff --git a/.github/workflows/pr-labeler.yml b/.github/workflows/pr-labeler.yml
index e0dba3111..a18daca3a 100644
--- a/.github/workflows/pr-labeler.yml
+++ b/.github/workflows/pr-labeler.yml
@@ -1,5 +1,5 @@
 name: "PR size labeler"
-on: [pull_request]
+on: [pull_request_target]
 permissions:
   contents: read
   pull-requests: write