diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 8491f17..03dd5ce 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -67,4 +67,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4