diff --git a/Gemfile b/Gemfile
index 1a6203b0..cb789464 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,11 +1,11 @@
 source 'https://rubygems.org'
-source 'https://rails-assets.org'
 
 # Specify your gem's dependencies in best_in_place.gemspec
 gemspec
-
-gem 'rails-assets-jquery', '1.11.1'
-gem 'rails-assets-jquery-ui', '1.10.4'
+source 'https://rails-assets.org' do
+  gem 'rails-assets-jquery', '1.11.1'
+  gem 'rails-assets-jquery-ui', '1.10.4'
+end
 gem 'rdiscount'
 gem 'rspec-rails'
 gem 'nokogiri'
diff --git a/README.md b/README.md
index a2ff1014..69e275ca 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ The editor works by PUTting the updated value to the server and GETting the upda
 Installing *best_in_place* is very easy and straight-forward.
 Just begin including the gem in your Gemfile:
 
-    gem 'best_in_place', '~> 3.0.1'
+    gem 'best_in_place', '~> 4.0'
 
 After that, specify the use of the jquery and best in place
 javascripts in your application.js, and optionally specify jquery-ui if
diff --git a/best_in_place.gemspec b/best_in_place.gemspec
index 39dc5df0..99960563 100644
--- a/best_in_place.gemspec
+++ b/best_in_place.gemspec
@@ -1,6 +1,4 @@
-# -*- encoding: utf-8 -*-
-$:.push File.expand_path("../lib", __FILE__)
-require 'best_in_place/version'
+require_relative 'lib/best_in_place/version'
 
 Gem::Specification.new do |s|
   s.name        = "best_in_place"
@@ -8,7 +6,7 @@ Gem::Specification.new do |s|
   s.platform    = Gem::Platform::RUBY
   s.authors     = ["Bernat Farrero"]
   s.email       = ["bernat@itnig.net"]
-  s.homepage    = "http://github.com/bernat/best_in_place"
+  s.homepage    = "https://github.com/bernat/best_in_place"
   s.summary     = <<SUM
   It makes any field in place editable by clicking on it, it works for inputs,
   textareas, select dropdowns and checkboxes
diff --git a/lib/best_in_place/version.rb b/lib/best_in_place/version.rb
index 74ebc182..46fc80dc 100644
--- a/lib/best_in_place/version.rb
+++ b/lib/best_in_place/version.rb
@@ -1,3 +1,3 @@
 module BestInPlace
-  VERSION = '3.1.1'
+  VERSION = '4.0.0'
 end