diff --git a/.github/workflows/pr-size-labeler.yml b/.github/workflows/pr-size-labeler.yml
index afcfadb20f..d53f125e6c 100644
--- a/.github/workflows/pr-size-labeler.yml
+++ b/.github/workflows/pr-size-labeler.yml
@@ -1,7 +1,7 @@
 name: 'PR Size Labeler'
 
 on:
-  pull_request:
+  pull_request_target:
     types: ['opened', 'synchronize', 'reopened']
   workflow_dispatch:
     inputs: