diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0c44e82e6b..ec4c054dda 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -883,7 +883,7 @@ jobs:
           tar -xf bookstodeploy.tar
 
       - 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: ./bookstodeploy