Gemfile in clockwork-0.5.1 vs Gemfile in clockwork-0.5.2

@@ -1,7 +1,8 @@
 source 'https://rubygems.org'
 
 gem 'tzinfo', "~> 0.3.35"
+gem 'activesupport'
 
 group :development do
   gem 'jeweler'
   gem 'contest'
   gem 'daemons'