diff --git a/.github/workflows/master-cd.yml b/.github/workflows/master-cd.yml
index a33ed5f..ba1ad8f 100644
--- a/.github/workflows/master-cd.yml
+++ b/.github/workflows/master-cd.yml
@@ -77,7 +77,7 @@ jobs:
           # Upload entire repository
           path: 'build'
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           publish_branch: gh-pages
           github_token: ${{ secrets.GITHUB_TOKEN }}