diff --git a/.eslintrc b/.eslintrc
index 8a3b043d..269959c9 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -4,7 +4,8 @@
   "extends": "eslint:recommended",
   "env": {
     "browser": true,
-    "jquery": true
+    "jquery": true,
+    "es6": true
   }
 //,
 //  "rules": {
diff --git a/LICENSE.md b/LICENSE.md
index 14411236..4199bf6f 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015-2016, Federico Zivolo
+Copyright (c) 2015-2016, Federico Zivolo and contributors - https://github.com/FezVrasta/bootstrap-material-design
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -23,10 +23,8 @@ SOFTWARE.
 
 ## Acknowledgements:
 
-### Bootstrap
-Some original Bootstrap tooling code and documentation http://getbootstrap.com
-Copyright (c) 2011-2016 Twitter, Inc
+- Some original Bootstrap code and documentation http://getbootstrap.com
+`Copyright (c) 2011-2015 Twitter, Inc`
 
-### MDL
-Some original MDL code http://www.getmdl.io/
-Copyright 2015 Google Inc. All Rights Reserved.
+- Some original MDL code http://www.getmdl.io/
+`Copyright 2015 Google Inc. All Rights Reserved.`
diff --git a/gulp-docs.js b/gulp-docs.js
index 7294679c..de59d179 100644
--- a/gulp-docs.js
+++ b/gulp-docs.js
@@ -1,4 +1,4 @@
-import {Preset, Clean, Copy, Jekyll, MinifyCss, Sass, RollupEs, RollupUmd, RollupIife, ScssLint, EsLint, TaskSeries, Uglify} from 'gulp-pipeline/src/index'
+import {Preset, Clean, Copy, Jekyll, MinifyCss, Sass, RollupEs, RollupUmd, RollupIife, ScssLint, EsLint, Aggregate, Uglify, parallel, series} from 'gulp-pipeline/src/index'
 
 const referenceDocNotice =
   `$1\n
@@ -34,7 +34,7 @@ const prefix = {task: {prefix: 'docs:'}}
 
 export default function (gulp, options) {
 
-  let javascripts = [
+  let javascripts = parallel(gulp,
     new RollupIife(gulp, preset, prefix, options.rollupConfig, {
       options: {
         dest: 'docs.iife.js',
@@ -46,31 +46,34 @@ export default function (gulp, options) {
       source: {options: {cwd: 'docs/assets/js/vendor'}},
       options: {dest: 'docs-vendor.min.js'}
     })
-  ]
+  )
 
   let eslint = new EsLint(gulp, preset, prefix)
   let scsslint = new ScssLint(gulp, preset, prefix, {
     source: {glob: ['**/*.scss', '!docs.scss']},
     watch: {glob: ['**/*.scss', '!docs.scss']}
   })
-  let linters = [scsslint, eslint]
+  let linters = parallel(gulp, scsslint, eslint)
   let sass = new Sass(gulp, preset, prefix)
 
-  new TaskSeries(gulp, 'default', [
+  let recipes = series(gulp,
     new Clean(gulp, preset, prefix),
     linters,
     sass,
     javascripts,
     new MinifyCss(gulp, preset, prefix)
-  ], prefix)
-  new TaskSeries(gulp, 'lint', linters, prefix)
-  new TaskSeries(gulp, 'js', [eslint, javascripts], prefix)
-  new TaskSeries(gulp, 'css', [scsslint, sass], prefix)
+  )
+
+  new Aggregate(gulp, 'default', recipes, prefix)
+  new Aggregate(gulp, 'lint', linters, prefix)
+  new Aggregate(gulp, 'js', series(gulp, eslint, javascripts), prefix)
+  new Aggregate(gulp, 'css', series(gulp, scsslint, sass), prefix)
 
   // docs copy
-  new TaskSeries(gulp, 'copy:bs-docs', [
+  new Aggregate(gulp, 'copy:bs-docs', parallel(gulp,
     new Copy(gulp, preset, prefix, {
-      task: {name: 'copy:bs-docs-content'},
+      debug: true,
+      task: false, //{name: 'copy:bs-docs-content'},
       source: {
         options: {cwd: '../bootstrap/docs/content'},
         glob: ['**/*']
@@ -79,7 +82,7 @@ export default function (gulp, options) {
       process: copyProcessor
     }),
     new Copy(gulp, preset, prefix, {
-      task: {name: 'copy:bs-docs-components'},
+      task: false, //{name: 'copy:bs-docs-components'},
       source: {
         options: {cwd: '../bootstrap/docs/components'},
         glob: ['**/*']
@@ -88,7 +91,7 @@ export default function (gulp, options) {
       process: copyProcessor
     }),
     new Copy(gulp, preset, prefix, {
-      task: {name: 'copy:bs-docs-scss'},
+      task: false, //{name: 'copy:bs-docs-scss'},
       source: {
         options: {cwd: '../bootstrap/docs/assets/scss'},
         glob: ['**/*', '!docs.scss'] // keep variable customizations
@@ -99,7 +102,7 @@ export default function (gulp, options) {
       }
     }),
     new Copy(gulp, preset, prefix, {
-      task: {name: 'copy:bs-docs-plugins'},
+      task: false, //{name: 'copy:bs-docs-plugins'},
       source: {
         options: {cwd: '../bootstrap/docs/_plugins'},
         glob: ['**/*', '!bridge.rb']
@@ -107,7 +110,7 @@ export default function (gulp, options) {
       dest: 'docs/_plugins/'
     }),
     new Copy(gulp, preset, prefix, {
-      task: {name: 'copy:bs-docs-js-vendor'},
+      task: false, //{name: 'copy:bs-docs-js-vendor'},
       source: {
         options: {cwd: '../bootstrap/docs/assets/js/vendor'},
         glob: [
@@ -118,5 +121,7 @@ export default function (gulp, options) {
       },
       dest: 'docs/assets/js/vendor/'
     }, prefix)
-  ])
+  ))
+
+  return recipes
 }
diff --git a/gulpfile.babel.js b/gulpfile.babel.js
index b3d8f0b4..b7d469d1 100644
--- a/gulpfile.babel.js
+++ b/gulpfile.babel.js
@@ -1,4 +1,4 @@
-import {Preset, Clean, Copy, Jekyll, MinifyCss, Prepublish, PublishBuild, Sass, RollupEs, RollupUmd, RollupIife, ScssLint, EsLint, TaskSeries, Uglify} from 'gulp-pipeline/src/index'
+import {Preset, Clean, Copy, Jekyll, MinifyCss, Prepublish, PublishBuild, Sass, RollupEs, RollupUmd, RollupIife, ScssLint, EsLint, Aggregate, Uglify, series, parallel} from 'gulp-pipeline/src/index'
 import gulp from 'gulp'
 import findup from 'findup-sync'
 import pkg from './package.json'
@@ -52,7 +52,7 @@ let rollupConfig = {
   }
 }
 
-let javascripts = [
+let javascripts = parallel(gulp,
   new RollupEs(gulp, preset, rollupConfig, {options: {dest: 'bootstrap-material-design.es.js'}}),
   new RollupUmd(gulp, preset, rollupConfig, {
     options: {
@@ -65,34 +65,38 @@ let javascripts = [
       dest: 'bootstrap-material-design.iife.js',
       moduleName: 'bootstrapMaterialDesign'
     }
-  }),
-]
+  })
+)
 
 let eslint = new EsLint(gulp, preset)
 let scsslint = new ScssLint(gulp, preset)
 let sass = new Sass(gulp, preset)
-let linters = [scsslint, eslint]
+let linters = parallel(gulp, scsslint, eslint)
 
-new TaskSeries(gulp, 'default', [
+let recipes = series(gulp,
   new Clean(gulp, preset),
   linters,
-  sass,
-  javascripts,
+  parallel(gulp,
+    sass,
+    javascripts
+  ),
   new MinifyCss(gulp, preset)
-])
-new TaskSeries(gulp, 'lint', linters)
-new TaskSeries(gulp, 'js', [eslint, javascripts])
-new TaskSeries(gulp, 'css', [scsslint, sass])
+)
+
+new Aggregate(gulp, 'default', recipes, {debug: true})
+new Aggregate(gulp, 'lint', linters)
+new Aggregate(gulp, 'js', series(gulp, eslint, javascripts))
+new Aggregate(gulp, 'css', series(gulp, scsslint, sass))
 
 
-gulpDocs(gulp, {rollupConfig: rollupConfig})
+let docsDefaultRecipes = gulpDocs(gulp, {rollupConfig: rollupConfig})
 
-
-//
-let prepRelease = new TaskSeries(gulp, 'prep-release', [
-  new Prepublish(gulp, preset),
-  'default',
-  'docs:default',
+let prepRelease = new Aggregate(gulp, 'prep-release', [
+  //new Prepublish(gulp, preset),   // asserts committed
+  [
+    recipes,
+    docsDefaultRecipes
+  ],
   new Copy(gulp, preset, {
     task: {name: 'copy:dist-to-docs'},
     source: {
@@ -105,7 +109,7 @@ let prepRelease = new TaskSeries(gulp, 'prep-release', [
 ])
 
 
-new TaskSeries(gulp, 'publish', [
+new Aggregate(gulp, 'publish', [
   prepRelease,
   new PublishBuild(gulp, preset, {
     npm: {
diff --git a/package.json b/package.json
index ae7161bb..d0eadaa2 100644
--- a/package.json
+++ b/package.json
@@ -42,8 +42,8 @@
     "babel-polyfill": "^6.6",
     "babel-preset-es2015": "^6.6.0",
     "extend": "^3.0.0",
-    "gulp": "^3.9.1",
-    "gulp-pipeline": "^0.4",
+    "gulp": "github:gulpjs/gulp#4.0",
+    "gulp-pipeline": "^4.0",
     "moment": "^2.11.2"
   },
   "old-grunt-devDependencies": {