README.md in telegram-bot-ruby-0.4.1 vs README.md in telegram-bot-ruby-0.4.2

- old
+ new

@@ -2,9 +2,10 @@
 
 Ruby wrapper for [Telegram's Bot API](https://core.telegram.org/bots/api).
 
 [![Gem Version](https://badge.fury.io/rb/telegram-bot-ruby.svg)](http://badge.fury.io/rb/telegram-bot-ruby)
 [![Code Climate](https://codeclimate.com/github/atipugin/telegram-bot-ruby/badges/gpa.svg)](https://codeclimate.com/github/atipugin/telegram-bot-ruby)
+[![Build Status](https://travis-ci.org/atipugin/telegram-bot-ruby.svg?branch=master)](https://travis-ci.org/atipugin/telegram-bot-ruby)
 
 ## Installation
 
 Add following line to your Gemfile: