Gemfile in mail_engine-0.1.11 vs Gemfile in mail_engine-0.1.12

@@ -3,16 +3,16 @@
 
 gem "activesupport", '>= 3.0.0'
 gem "httparty"
 gem "nokogiri"
 gem "deep_cloneable"
-gem "sqlite3-ruby", :require => "sqlite3"
 gem 'rack', :git => 'git://github.com/rack/rack.git'
 gem "liquid"
 gem 'kaminari', :git => 'https://github.com/amatsuda/kaminari.git'
 gem "carrierwave", :git => "git://github.com/jnicklas/carrierwave.git"
 
 group :development do
+  gem "sqlite3-ruby", :require => "sqlite3"
   gem "annotate"
   gem "bluecloth"
   gem "yard"
   gem "bundler"
   gem "jeweler"
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