Gemfile in otrs_connector-1.1.2 vs Gemfile in otrs_connector-1.1.3

@@ -1,11 +1,13 @@
 source "http://rubygems.org"
 # Add dependencies required to use your gem here.
 # Example:
 #   gem "activesupport", ">= 2.3.5"
 
-gem 'rails', ">= 3.0.0"
+
+gem 'activesupport',  ">= 3.0.0"
 gem 'require_all', ">= 1.2"
+gem 'activemodel', ">= 3.0.0"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
   gem "shoulda", ">= 0"