Promise/Monk bug

index.js

var monk = require('monk');
var promise = require('promise');

function connect() {
  return new promise( function (resolve, reject) {
    monk('mongodb://localhost:27017/monk', function (error, db) {
      if (error) {
        console.log('about to reject');
        reject(error); 
      } else { 
        console.log('about to resolve');
        resolve(db);
      }
    });
  });
}

connect()
  .then( function (db) {
    console.log(db);
  })
  .catch( function (error) {
    console.log(error);
  });

package.json

{
  "name": "promise_monk",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "monk": "^6.0.3",
    "promise": "^8.0.1"
  }
}