README.md in netsoul-2.1.0 vs README.md in netsoul-2.2.0

@@ -26,10 +26,10 @@
 ### In your project
 
 #### Gemfile
 
 ```ruby
-gem 'netsoul', '~> 2.0.0'
+gem 'netsoul', '~> 2.2.0'
 ```
 
 #### project.rb
 
 ```ruby