{
  "name": "heroku-nextjs",
  "version": "1.0.0",
  "description": "Deploy Next.js server-side React apps to Heroku",
  "scripts": {
    "dev": "next",
    "build": "next build",
    "start": "next start -p $PORT",
    "heroku-postbuild": "heroku-nextjs-build"
  },
  "engines": {
    "node": "6.9.x"
  },
  "cacheDirectories": [
    "nextjs/node_modules"
  ],
  "repository": {
    "type": "git",
    "url": "git+https://github.com/mars/heroku-nextjs.git"
  },
  "keywords": [
    "react",
    "ssr",
    "server-side-rendering"
  ],
  "author": "Mars Hall",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/mars/heroku-nextjs/issues"
  },
  "homepage": "https://github.com/mars/heroku-nextjs#readme",
  "dependencies": {
    "@mars/heroku-nextjs-build": "^1.1.0",
    "next": "^1.0.2"
  }
}

{
  "name": "heroku-nextjs",
  "version": "1.0.0",
  "description": "Deploy Next.js server-side React apps to Heroku",
  "scripts": {
    "dev": "next",
    "build": "next build",
    "start": "next start -p $PORT",
    "heroku-postbuild": "heroku-nextjs-build"
  },
  "engines": {
    "node": "6.9.x"
  },
  "cacheDirectories": [
    "nextjs/node_modules"
  ],
  "repository": {
    "type": "git",
    "url": "git+https://github.com/mars/heroku-nextjs.git"
  },
  "keywords": [
    "react",
    "ssr",
    "server-side-rendering"
  ],
  "author": "Mars Hall",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/mars/heroku-nextjs/issues"
  },
  "homepage": "https://github.com/mars/heroku-nextjs#readme",
  "dependencies": {
    "@mars/heroku-nextjs-build": "^2.0.0",
    "next": "^1.0.2"
  }
}

Update to build adapter 2.0.0
Update to build adapter 2.0.0