diff --git a/.github/workflows/documentation.yaml b/.github/workflows/documentation.yaml
index 5bd0b4e..2368a28 100644
--- a/.github/workflows/documentation.yaml
+++ b/.github/workflows/documentation.yaml
@@ -37,7 +37,7 @@ jobs:
       run: dotnet docfx docs/docfx.json
 
     - name: Deploy
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       if: github.ref == 'refs/heads/master'
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}