README.md in bootbox-rails-0.3.0 vs README.md in bootbox-rails-0.4.0

@@ -7,10 +7,10 @@
 ## Installation
 
 First, put this line in your `Gemfile` (for Bootstrap 3):
 
 ```ruby
-gem 'bootbox-rails', '~>0.3'
+gem 'bootbox-rails', '~>0.4'
 ```
 
 For Bootstrap 2 use following version:
 
 ```ruby