diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 1875da4..912c1fa 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -56,7 +56,7 @@ jobs:
         run: npm run browserify
 
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./