Atom Grunt Runner failure when using RequireJS

Gruntfile.js

'use strict';
module.exports = function(grunt) {
    grunt.loadNpmTasks('grunt-contrib-requirejs');

    grunt.initConfig({});

    grunt.registerTask('test', function(target) {
        grunt.log.warn('It\'s alive!');
    });
};

package.json

{
  "name": "Test",
  "version": "0.0.0",
  "devDependencies": {
    "grunt": "^0.4.5",
    "grunt-cli": "^0.1.13",
    "grunt-contrib-requirejs": "^0.4.4"
  },
}