README.md in infrataster-0.1.2 vs README.md in infrataster-0.1.3

@@ -1,6 +1,8 @@
 # Infrataster
 
+[![Gem Version](https://badge.fury.io/rb/infrataster.png)](http://badge.fury.io/rb/infrataster)
+
 Infrastructure Behavior Testing Framework.
 
 ## Usage
 
 **You can see [example directory](example) too.**