diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 4b57c7d..e25c3c2 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -7,6 +7,11 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+      - name: setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: '16'
+      
       - name: checkout
         uses: actions/checkout@v4