diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 901cbfa..d3c1265 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -22,7 +22,7 @@ jobs:
           npm run docs:build
       - name: Deploy
         if: success()
-        uses: crazy-max/ghaction-github-pages@v3
+        uses: crazy-max/ghaction-github-pages@v4
         with:
           target_branch: gh-pages
           build_dir: site