diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 35a69bb..acad860 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -43,4 +43,4 @@ jobs:
           path: './html/'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
\ No newline at end of file
+        uses: actions/deploy-pages@v4
\ No newline at end of file