diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 1d6608f50a..afb86a91f5 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -94,6 +94,7 @@ jobs:
         uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{secrets.GITHUB_TOKEN}}
+          external_repository: ${{github.triggering_actor}}/ctsm
           publish_branch: gh-pages-sidnfueriu
           publish_dir: './_build/html'
           destination_dir: './branch/${{ github.event.pull_request.head.ref }}/html'