diff --git a/.github/workflows/rustdoc.yml b/.github/workflows/rustdoc.yml
index 2fb87ea7..f61a8ab5 100644
--- a/.github/workflows/rustdoc.yml
+++ b/.github/workflows/rustdoc.yml
@@ -26,7 +26,7 @@ jobs:
           command: doc
           args: --all --no-deps
 
-      - uses: peaceiris/actions-gh-pages@v3
+      - uses: peaceiris/actions-gh-pages@v4
         name: push docs
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}