diff --git a/.github/workflows/grass-manual.yml b/.github/workflows/grass-manual.yml
index 5b42f7f..0404054 100644
--- a/.github/workflows/grass-manual.yml
+++ b/.github/workflows/grass-manual.yml
@@ -39,4 +39,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5