diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index d845e74..543140e 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -23,7 +23,7 @@ jobs:
         run: nix-build --argstr public-url '/werbematerial'
 
       - name: deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
           publish_dir: ./result