diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 4baf042..6c70046 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -54,7 +54,7 @@ jobs:
       run: make -C docs html
 
     - name: Publish (push gh-pages branch) only on demand
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       if: ${{ github.event.inputs.deploy }}
       with:
         publish_branch: gh-pages