diff --git a/README.md b/README.md
index d296a3a..9f8a66e 100644
--- a/README.md
+++ b/README.md
@@ -1,37 +1,127 @@
 # MJML Ruby
 
-[![Build Status](https://travis-ci.org/kolybasov/mjml-ruby.svg?branch=master)](https://travis-ci.org/kolybasov/mjml-ruby)
+[![Gem](https://img.shields.io/gem/v/mjml-ruby.svg?maxAge=2592000)]()
+[![Travis](https://img.shields.io/travis/kolybasov/mjml-ruby.svg?maxAge=2592000)]()
+[![Gemnasium](https://img.shields.io/gemnasium/kolybasov/mjml-ruby.svg?maxAge=2592000)]()
+[![Code Climate](https://codeclimate.com/github/kolybasov/mjml-ruby/badges/gpa.svg)](https://codeclimate.com/github/kolybasov/mjml-ruby)
 
 #### [!] REQUIRE NODEJS
 
 [MJML](https://mjml.io) parser and template engine for Ruby. 
 Allows to create email temapltes without mess.
 
-## Installation
+## Install
 
-Add this line to your Gemfile:
+Add to Gemfile:
 
 ```ruby
-gem 'mjml-ruby', git: 'https://github.com/kolybasov/mjml-ruby.git', require: 'mjml'
+gem 'mjml-ruby', '~> 0.1.0', require: 'mjml'
 ```
 
 Install [NodeJS](https://nodejs.org/en/) and [MJML](https://mjml.io) (both installations will works local and global).
 
 ```
-$ npm install [-g] mjml@^2.0
+$ npm install -g mjml@^2.3.3
+$ bundle install
 ```
 
-Run bundle install:
+## Usage
+
+#### With Rails
 
+```erb
+<!-- app/views/layouts/mailer.html.mjml -->
+
+<mjml>
+  <mj-body>
+    <mj-container>
+      <%= yield %>
+    </mj-container>
+  <mj-body>
+</mjml>
 ```
-$ bundle install
+
+```erb
+<!-- app/views/welcome_mailer/welcome.html.mjml -->
+
+<mj-text>Hello, <%= @user.name %></mj-text>
+```
+
+```ruby
+class WelcomeMailer < ApplicationMailer
+  def welcome(user)
+  	@user = user
+  	mail(to: @user.email, subject: 'Welcome')
+  end
+end
+```
+
+#### With [Tilt](https://github.com/rtomayko/tilt)
+
+```erb
+<!-- templates/hello.mjml -->
+
+<mjml>
+  <mj-body>
+    <mj-container>
+      <mj-text>Hello, world!</mj-text>
+    </mj-container>
+  <mj-body>
+</mjml>
+```
+
+```ruby
+require 'tilt'
+require 'ruby-mjml'
+
+template = Tilt.new('templates/hello.mjml')
+template.render # returns compiled HTML
+```
+
+#### With [mail](https://github.com/mikel/mail) gem
+
+```erb
+<!-- hello.mjml -->
+
+<mjml>
+  <mj-body>
+    <mj-container>
+      <mj-text>Hello, world!</mj-text>
+    </mj-container>
+  <mj-body>
+</mjml>
+```
+
+```ruby
+require 'mail'
+require 'mjml-ruby'
+
+template = File.open('hello.mjml', 'rb') { |f| MJML::Parser.new.call(f) }
+
+Mail.deliver do
+  from 'example@mail.com'
+  to 'example@mail.com'
+  subject 'Hello'
+  body template
+end
+```
+
+## Configuration
+
+```ruby
+MJML.configure do |config|
+  config.bin_path = '/bin/mjml'
+end
 ```
 
-### TODO
+## TODO
 - [x] Create parser
 - [x] Make it configurable
 - [x] Create Tilt interface
 - [x] Create Sprockets interface
 - [x] Create Railtie
 - [x] Setup Travis
-- [ ] Add usage guide
+- [x] Add usage guide
+- [ ] Fix tests on CI
+- [ ] Add more tests
+- [ ] Improove docs
diff --git a/lib/mjml.rb b/lib/mjml.rb
index 0cd83c0..875b612 100644
--- a/lib/mjml.rb
+++ b/lib/mjml.rb
@@ -20,7 +20,7 @@ def self.setup!
   def self.find_executable
     local_path = File.expand_path('node_modules/.bin/mjml', Dir.pwd)
     return local_path if File.file?(local_path)
-    `which mjml`.strip
+    `/usr/bin/which mjml`.strip
   end
 end
 
diff --git a/mjml-ruby.gemspec b/mjml-ruby.gemspec
index d9d7e48..da44157 100644
--- a/mjml-ruby.gemspec
+++ b/mjml-ruby.gemspec
@@ -18,12 +18,11 @@ Gem::Specification.new do |s|
   s.platform             = Gem::Platform::RUBY
   s.require_paths        = ['lib']
 
-  s.add_runtime_dependency 'dry-configurable', '~> 0.1.0'
+  s.add_runtime_dependency 'dry-configurable', '~> 0.1.7'
 
   s.add_development_dependency 'rake'
-  s.add_development_dependency 'minitest', '~> 5.8.0', '>= 5.0.0'
+  s.add_development_dependency 'minitest', '~> 5.9.0', '>= 5.0.0'
   s.add_development_dependency 'tilt', '~> 2.0.0', '>= 2.0.0'
-  s.add_development_dependency 'sprockets', '~> 3.0.0', '>= 3.0.0'
-  s.add_development_dependency 'actionpack', '>= 4.0.0'
+  s.add_development_dependency 'sprockets', '~> 3.7.0', '>= 3.0.0'
   s.add_development_dependency 'byebug', '~> 9.0.0', '>= 9.0.0'
 end