diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4b90cd9..1d4de3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -113,6 +113,11 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v7
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+          cache-dependency-path: docs-site/package-lock.json
       - name: Build static site
         working-directory: docs-site
         run: |