Gemfile in migration_tools-0.1.6 vs Gemfile in migration_tools-0.1.7

@@ -1,8 +1,8 @@
 source "http://rubygems.org"
 # Add dependencies required to use your gem here.
 # Example:
-gem "activerecord", ">= 2.3.5"
+gem "activerecord", "~> 2.3.11"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
   gem "bundler", "~> 1.0.0"