diff --git a/.github/workflows/preview-html.yml b/.github/workflows/preview-html.yml
index 7ab76782..a51e0db5 100644
--- a/.github/workflows/preview-html.yml
+++ b/.github/workflows/preview-html.yml
@@ -4,7 +4,7 @@ on:
   workflow_run:
     workflows: ["Github Pages"]
     types: [in_progress, completed]
-  pull_request:
+  pull_request_target:
     types: [closed]
 
 jobs: