README.md in aws_assume_role-0.1.0 vs README.md in aws_assume_role-0.1.1

@@ -19,10 +19,10 @@
 
 For more information on role assumption, see the AWS documentation.
 
 Requirements
 ------------
-*   Ruby ≥ 2.1
+*   Ruby ≥ 2.2
 *   OS X KeyChain or GNOME Keyring
 
 Install
 -------