diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ba6dff3..3caa587 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,11 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v6
 
+      - name: Set up Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: 20
+
       - name: Validate required project files
         run: |
           set -euo pipefail