Rakefile in ruote-2.1.2 vs Rakefile in ruote-2.1.3

@@ -31,9 +31,11 @@
     gem.add_dependency 'rufus-scheduler', '>= 2.0.3'
     gem.add_dependency 'rufus-treechecker', '>= 1.0.3'
 
     gem.add_development_dependency 'json'
     gem.add_development_dependency 'yard'
+    gem.add_development_dependency 'builder'
+    gem.add_development_dependency 'mailtrap'
 
     # Gem::Specification http://www.rubygems.org/read/chapter/20
   end
   Jeweler::GemcutterTasks.new
 rescue LoadError