diff --git a/.github/workflows/marp-pages.yml b/.github/workflows/marp-pages.yml
index 4496921..2771e35 100644
--- a/.github/workflows/marp-pages.yml
+++ b/.github/workflows/marp-pages.yml
@@ -44,4 +44,4 @@ jobs:
           path: 'build'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4