diff --git a/lib/config.ts b/lib/config.ts
index eb22c90..32a1b06 100644
--- a/lib/config.ts
+++ b/lib/config.ts
@@ -125,7 +125,9 @@ export const redisNamespace: string | null = getEnv(
 export const isServer = typeof window === 'undefined'
 
 export const port = getEnv('PORT', '3000')
-export const host = isDev ? `http://localhost:${port}` : `https://${domain}`
+export const host = isDev
+  ? `http://localhost:${port}`
+  : `https://${process.env.VERCEL_URL || domain}`
 
 export const apiBaseUrl = `/api`
 
diff --git a/package.json b/package.json
index d960d29..bb5618b 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,9 @@
   "author": "Travis Fischer <travis@transitivebullsh.it>",
   "repository": "transitive-bullshit/nextjs-notion-starter-kit",
   "license": "MIT",
+  "engines": {
+    "node": ">=16"
+  },
   "scripts": {
     "dev": "next dev",
     "build": "next build",
diff --git a/readme.md b/readme.md
index 9d6e300..da8741e 100644
--- a/readme.md
+++ b/readme.md
@@ -40,7 +40,7 @@ It uses Notion as a CMS, [react-notion-x](https://github.com/NotionX/react-notio
 
 **All config is defined in [site.config.ts](./site.config.ts).**
 
-This project requires a recent version of Node.js (>= 14.17).
+This project requires a recent version of Node.js (we recommend >= 16).
 
 1. Fork / clone this repo
 2. Change a few values in [site.config.ts](./site.config.ts)