diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4cb62ea2..45409654 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -78,7 +78,7 @@ jobs:
           path: ./build
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           allow_empty_commit: false
           github_token: ${{ secrets.GITHUB_TOKEN }}