diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index f8d77bd..6e94421 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -27,6 +27,8 @@ jobs:
         uses: actions/checkout/@v4
       - name: Setup Node.js
         uses: actions/setup-node@v4
+        with:
+          node-version: 22
       - name: Generate vocabulary
         run: |
           npm info yml2vocab