diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 3205339..98862e3 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -8,12 +8,12 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x]
+        node-version: [18.x, 20.x, 22.x]
 
     steps:
       - uses: actions/checkout@v2
         with:
-          submodules: "true"
+          submodules: 'true'
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v1
         with:
diff --git a/package.json b/package.json
index 2e73de1..d60fd80 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,9 @@
   "version": "0.0.1",
   "description": "An Apple 1 Emulator in Javascript",
   "main": "dist/index.js",
+  "engines": {
+    "node": ">= 18"
+  },
   "scripts": {
     "build": "webpack --mode=production",
     "dev": "webpack-dev-server",