diff --git a/.github/workflows/oxygen-deployment.yml b/.github/workflows/oxygen-deployment.yml
index caa3c9bc7c..89df24c9ba 100644
--- a/.github/workflows/oxygen-deployment.yml
+++ b/.github/workflows/oxygen-deployment.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: 16
+          node-version: 18
           cache: 'yarn'
 
       - name: Install the packages
diff --git a/.github/workflows/tests_and_lint.yml b/.github/workflows/tests_and_lint.yml
index 2870761e2c..b122ed280d 100644
--- a/.github/workflows/tests_and_lint.yml
+++ b/.github/workflows/tests_and_lint.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest]
-        node-version: [16.x, 18.x]
+        node-version: [18.x]
 
     name: OS ${{ matrix.os }} / NodeJS ${{ matrix.node-version }}
 
diff --git a/README.md b/README.md
index c9eb3d53b4..3b80c9313d 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,8 @@ Spin up a Hydrogen app in your browser with our [playground](https://hydrogen.ne
 **Requirements:**
 
 - `yarn` or `npm`
-- Node.js version 16.5.0 or higher
+- Node.js version 18.0.0 or higher [with globally available browser-compatible
+  APIs](https://nodejs.org/ko/blog/announcements/v18-release-announce/#new-globally-available-browser-compatible-apis)
 
 **Installation:**
 
diff --git a/package.json b/package.json
index 2df59bcacd..bb6a5da086 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "packages/playground/*"
   ],
   "engines": {
-    "node": ">=14"
+    "node": ">=18"
   },
   "scripts": {
     "dev": "yarn turbo run dev --parallel --filter=@shopify/hydrogen-ui --filter=@shopify/hydrogen",
diff --git a/packages/hydrogen/CHANGELOG.md b/packages/hydrogen/CHANGELOG.md
index dfb74e8d0c..f1c453e95a 100644
--- a/packages/hydrogen/CHANGELOG.md
+++ b/packages/hydrogen/CHANGELOG.md
@@ -16,7 +16,7 @@
   } from '@shopify/hydrogen/platforms';
 
   // Platform entry handler
-  export default function(request) {
+  export default function (request) {
     if (isAsset(new URL(request.url).pathname)) {
       return platformAssetHandler(request);
     }
diff --git a/templates/demo-store/package.json b/templates/demo-store/package.json
index 3f62f5dc36..fa08b4fc12 100644
--- a/templates/demo-store/package.json
+++ b/templates/demo-store/package.json
@@ -4,6 +4,9 @@
   "version": "0.0.0",
   "license": "MIT",
   "private": true,
+  "engines": {
+    "node": ">=18"
+  },
   "scripts": {
     "dev": "shopify hydrogen dev",
     "build": "shopify hydrogen build",
diff --git a/templates/hello-world/package.json b/templates/hello-world/package.json
index bd8bdffb8f..759db6c8e8 100644
--- a/templates/hello-world/package.json
+++ b/templates/hello-world/package.json
@@ -4,6 +4,9 @@
   "version": "0.0.0",
   "license": "MIT",
   "private": true,
+  "engines": {
+    "node": ">=18"
+  },
   "scripts": {
     "dev": "shopify hydrogen dev",
     "build": "shopify hydrogen build",