diff --git a/.github/workflows/deploy-demo.js.yml b/.github/workflows/deploy-demo.js.yml
index 20d50380c..5112f3011 100644
--- a/.github/workflows/deploy-demo.js.yml
+++ b/.github/workflows/deploy-demo.js.yml
@@ -31,20 +31,20 @@ jobs:
 
       # --- checkout both branches ---
       - name: Checkout stable (demo)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: demo
           path: demo_src
 
       - name: Checkout latest (main)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: main
           path: main_src
 
       # --- node setup ---
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.18.1'
           cache: 'npm'
@@ -241,7 +241,7 @@ jobs:
         uses: actions/configure-pages@v5
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: site