Heroku Changelog Node.js v0.10.0 Support Released

Change effective on 11 March 2013

Heroku Node.js now supports Node.js v0.10.0. To use this version of Node on Heroku, specify the version in the engines section of your package.json.

{
  "name": "myapp",
  "version": "0.0.1",
  "engines": {
    "node": "0.10.x",
    "npm":  "1.2.x"
  }
}

Note If you do not specify a version, the latest will be used.