diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 78042872..4ab70d9b 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -73,7 +73,7 @@ jobs:
           rm -r _build/.doctrees
           jb build lectures --path-output ./
       - name: Deploy website to gh-pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: _build/html/