diff --git a/.github/workflows/label_commenter.yml b/.github/workflows/label_commenter.yml
index b65c8def19b..64170e9f56a 100644
--- a/.github/workflows/label_commenter.yml
+++ b/.github/workflows/label_commenter.yml
@@ -3,6 +3,8 @@ name: Auto-respond to issues with comments based on labels
 on:
   issues:
     types: [labeled]
+  pull_request_target:
+    types: [labeled]
 
 permissions:
   contents: read