diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 88863b1..3bc3f99 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -29,7 +29,7 @@ jobs:
           cp ./js/target/scala-2.13/featherweightgo-fastopt.js ./public/js/target/scala-2.13/
 
       - name: Deploy to gh-pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public