diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index e0fcef4..67bd331 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -15,6 +15,9 @@ concurrency:
 permissions:
   contents: write
 
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
@@ -37,7 +40,7 @@ jobs:
           spec-file: openapi.yaml
       # the gh pages are setup to build and deploy on push to the 'gh-pages' branch
       - name: Push to gh-pages branch
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: swagger-ui