diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index be5c4b95..09ad0e38 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -25,7 +25,7 @@ jobs:
         with:
           args: build docs/docfx.json
       - name: Publish to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: docs/_site