diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 4a3884a1..13f5ddd5 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -43,7 +43,7 @@ jobs:
         run: |
           echo "mog.js.org" > out/CNAME
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: out