diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 508cc56..49ffbc7 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -23,7 +23,7 @@ jobs:
         path: docs/_build/html/
 
     - name: Deploy
-      uses: peaceiris/actions-gh-pages@master
+      uses: peaceiris/actions-gh-pages@v4
       if: github.ref == 'refs/heads/main'
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}