diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 48c848e..d928490 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -227,7 +227,7 @@ jobs:
         continue-on-error: true
 
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         if: success()
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}