diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 478a8b5..df54f23 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -99,6 +99,15 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20.x
+          cache: 'npm'
+
       - name: build
         run: |
           bash ./scripts/get-openscad.sh