diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1c800fb2..8dca4afc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -118,7 +118,7 @@ jobs:
 
     - name: Deploy Javadocs to GitHub Pages
       if: github.ref == 'refs/heads/main' && github.event_name == 'push' && matrix.os == 'ubuntu-latest'
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./build/docs/javadoc