Gemfile in mastercoin-ruby-0.0.4 vs Gemfile in mastercoin-ruby-0.0.5

@@ -7,9 +7,10 @@
 # Include everything needed to run rake, tests, features, etc.
 
 gem 'bitcoin-ruby', '~> 0.0.1', git: "https://github.com/maran/bitcoin-ruby.git"
 gem 'sequel', '~> 4.1.1'
 gem 'thor'
+gem 'activesupport', '>= 3.0.0'
 
 group :development do
   gem "rdoc", "~> 3.12"
   gem "bundler", "~> 1.0"
   gem "jeweler", "~> 1.8.7"