Node.js support now defaults to the latest version
Change effective on 11 March 2013
Heroku Node.js now uses the latest versions of Node.js and npm by default. To use a specific version of Node.js and/or npm in your app, edit the engines section of your package.json:
{
"name": "myapp",
"version": "0.0.1",
"engines": {
"node": "0.8.x",
"npm": "1.2.x"
}
}
The available versions of Node.js and npm can be found here:
See the documentation to learn more.