README.md in telegram-bot-ruby-0.5.0.beta3 vs README.md in telegram-bot-ruby-0.5.0.beta4

- old
+ new

@@ -9,10 +9,10 @@
 ## Installation
 
 Add following line to your Gemfile:
 
 ```ruby
-gem 'telegram-bot-ruby', '~> 0.5.0.beta3'
+gem 'telegram-bot-ruby', '~> 0.5.0.beta4'
 ```
 
 And then execute:
 
 ```shell