Browserify + vueify

Hi people, can someone help me on how to build or lessen the build time? it takes 1min or so upon bundling the vue files with browserify.
What thing you can suggest to improve the build time?
gulp configuration

gulp.task('vue', function () {
  return gulp.src('./src/**/vue/main.js')
  	.pipe(browserify())
  	.pipe(rename({
  		suffix:'.vue',
  		extname:'.js'
  	}))
		.pipe(rename(function(file){
			file.dirname=file.dirname.replace('\\vue','\\js') // Change destination
			console.log(file)
		}))
  	.pipe(gulp.dest('./assets'))
});

Package.json

"browserify": {
    "transform": [
      "babelify",
      [
        "vueify",
        {
          "_flags": {
            "debug": true
          },
          "sass": {
            "includePaths": [
              "./node_modules/compass-mixins/lib",
              "./node_modules"
            ]
          }
        }
      ],
      ["envify",{"global": true, "NODE_ENV":"development"}]
    ]
  },