diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index e2862de..9b09555 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -8,6 +8,8 @@ jobs:
         uses: https://gitea.com/actions/setup-node@v4 
         with:
           node-version: '14' 
+      - name: Install Yarn
+        run: npm install -g yarn 
       - name: Install dependencies  
         run: yarn install
       - name: Build Docusaurus website