diff --git a/index.js b/index.js
index 20030d5..6451131 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,7 @@
 var fs = require('fs');
 var Readable = require('stream').Readable;
-var gutil = require('gulp-util');
+var Vinyl = require('vinyl');
+var PluginError = require('plugin-error');
 var _ = require('lodash');
 var _s = require('underscore.string');
 
@@ -23,11 +24,11 @@ module.exports = function (options) {
   });
 
   if (!options.path) {
-    throw new gutil.PluginError('gulp-wpstylecss', '`path` is required!');
+    throw new PluginError('gulp-wpstylecss', '`path` is required!');
   }
 
   if (!options.name) {
-    throw new gutil.PluginError('gulp-wpstylecss', '`name` is required!');
+    throw new PluginError('gulp-wpstylecss', '`name` is required!');
   }
 
   /*
@@ -57,11 +58,11 @@ module.exports = function (options) {
   if (options.tags) {
     contents += 'Tags:           ' + options.tags + '\n';
   }
-  if (options.author) {
-    contents += 'Author:         ' + options.author + '\n';
+  if (options.author.name) {
+    contents += 'Author:         ' + options.author.name + '\n';
   }
-  if (options.authorUri) {
-    contents += 'Author URI:     ' + options.authorUri + '\n';
+  if (options.author.uri) {
+    contents += 'Author URI:     ' + options.author.uri + '\n';
   }
   if (options.license) {
     contents += 'License:        ' + options.license + '\n';
@@ -74,9 +75,9 @@ module.exports = function (options) {
 
   var stream = new Readable({objectMode: true});
 
-  stream.push(new gutil.File({
+  stream.push(new Vinyl({
     path: options.path,
-    contents: new Buffer(contents, 'utf8')
+    contents: new Buffer(contents)
   }));
 
   stream.push(null);
diff --git a/package.json b/package.json
index 45ad87b..c1b5c20 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gulp-wpstylecss",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "A plugin for Gulp",
   "keywords": [
     "gulpplugin",
@@ -16,9 +16,10 @@
     "coveralls": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "dependencies": {
-    "gulp-util": "~2.2.0",
-    "lodash": "^2.4.1",
-    "underscore.string": "^2.3.3"
+    "lodash": "^4.17.20",
+    "plugin-error": "^1.0.1",
+    "underscore.string": "^3.3.5",
+    "vinyl": "^2.2.1"
   },
   "devDependencies": {
     "mocha": "*",