diff --git a/.github/workflows/labeller.yml b/.github/workflows/labeller.yml
index ee149bf..adf8085 100644
--- a/.github/workflows/labeller.yml
+++ b/.github/workflows/labeller.yml
@@ -6,11 +6,9 @@ on:
       - opened
       - labeled
       - unlabeled
-  pull_request_target:
-    types:
-      - opened
-      - labeled
-      - unlabeled
+  pull_request:
+    branches:
+      - "main"
 
 jobs:
   label: