diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 3d9a2decd8..0285f3d125 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -18,7 +18,7 @@ jobs:
       # deploy to gh pages if repo is pmret/papermario
       - name: Deploy to gh-pages
         if: github.repository != 'pmret/papermario'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs/doxygen/html