diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 9cbdb19..b6a20d8 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -6,10 +6,8 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    container: node:16
     steps:
-      - name: setup node
-        uses: actions/setup-node@v4
-      
       - name: checkout
         uses: actions/checkout@v4