diff --git a/.github/workflows/automate_merge_message.yml b/.github/workflows/automate_merge_message.yml
index 9d8deffd8a..aaeb0533a1 100644
--- a/.github/workflows/automate_merge_message.yml
+++ b/.github/workflows/automate_merge_message.yml
@@ -1,6 +1,6 @@
 name: Automate merge message
 on:
-  pull_request:
+  pull_request_target:
     branches: ['master']
     types: ['closed']