diff --git a/.github/workflows/assigned.yaml b/.github/workflows/assigned.yaml
index 7ad0b4745..91b453423 100644
--- a/.github/workflows/assigned.yaml
+++ b/.github/workflows/assigned.yaml
@@ -4,7 +4,7 @@ on:
   issues:
     types: [assigned]
 
-  pull_request:
+  pull_request_target:
      types: [assigned]
 jobs:
   send-mattermost-message: