{
  "name": "bread-butter",
  "version": "1.0.0",
  "repository": {
    "type": "git",
    "url": "https://github.com/multiple-states/bread-butter.git"
  },
  "devDependencies": {
    "grunt": "^0.4.4",
    "grunt-autoprefixer": "^0.7.6",
    "grunt-bower-concat": "^0.3.0",
    "grunt-contrib-clean": "^0.6.0",
    "grunt-contrib-copy": "^0.5.0",
    "grunt-contrib-cssmin": "^0.9.0",
    "grunt-contrib-jshint": "^0.10.0",
    "grunt-contrib-less": "^0.11.0",
    "grunt-contrib-uglify": "^0.4.1",
    "grunt-contrib-watch": "^0.6.1",
    "grunt-newer": "^1.1.1",
    "grunt-pixrem": "^0.1.2",
    "load-grunt-config": "^0.16.0"
  }
}

{
  "name": "bread-butter",
  "version": "1.0.0",
  "repository": {
    "type": "git",
    "url": "https://github.com/multiple-states/bread-butter.git"
  },
  "devDependencies": {
    "grunt": "*",
    "grunt-autoprefixer": "*",
    "grunt-bower-concat": "*",
    "grunt-contrib-clean": "*",
    "grunt-contrib-copy": "*",
    "grunt-contrib-cssmin": "*",
    "grunt-contrib-jshint": "*",
    "grunt-contrib-less": "*",
    "grunt-contrib-uglify": "*",
    "grunt-contrib-watch": "*",
    "grunt-newer": "*",
    "grunt-pixrem": "*",
    "load-grunt-config": "*"
  }
}

Make new installs always require the latest versions of the Grunt dependencies
Make new installs always require the latest versions of the Grunt dependencies

This is done by using "*" instead of a version number in package.json.

SRC: http://stackoverflow.com/questions/25109172/update-grunt-dev-dependencies
