diff --git a/.github/workflows/test_deploy.yaml b/.github/workflows/test_deploy.yaml
index 759499f..72bfc76 100644
--- a/.github/workflows/test_deploy.yaml
+++ b/.github/workflows/test_deploy.yaml
@@ -71,5 +71,5 @@ jobs:
           path: 'docs/'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4
 #