diff --git a/.github/workflows/gh-pages.yaml b/.github/workflows/gh-pages.yaml
index 494e6cf..0457951 100644
--- a/.github/workflows/gh-pages.yaml
+++ b/.github/workflows/gh-pages.yaml
@@ -20,7 +20,7 @@ jobs:
       - run: pip install mkdocs==1.4.0 mkdocs_material==8.5.6
       - run: mkdocs build
 
-      - uses: peaceiris/actions-gh-pages@v3
+      - uses: peaceiris/actions-gh-pages@v4
         if: ${{ github.ref == 'refs/heads/master' }}
         with:
           github_token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}