diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 233458a5..814fd2e5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,10 +8,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Use Node.js 17
+      - name: Use Node.js 21
         uses: actions/setup-node@v2
         with:
-          node-version: 17.x
+          node-version: 21.x
       - name: Install dependencies
         run: npm install
       - name: Generate unrouted PCBs
diff --git a/.tool-versions b/.tool-versions
index ffd62701..5300ca32 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-nodejs 17.1.0
+node 21.6.1