Rakefile in tw-0.2.3 vs Rakefile in tw-0.2.4

@@ -15,9 +15,10 @@
   self.post_install_message = "!! Installed \"tw\" command. => http://shokai.github.com/tw"
   self.rubyforge_name       = self.name # TODO this is default value
   self.extra_deps         = [['oauth','>= 0.4.7', '< 1.0.0'],
                              ['twitter', '>= 4.0.0', '< 5.0.0'],
                              ['userstream', '>= 1.2.0', '< 1.3.0'],
+                             ['json', '>= 1.7.5', '< 1.8.0'],
                              ['args_parser', '>= 0.1.0'],
                              ['rainbow', '>= 1.1.4', '< 2.0.0'],
                              ['parallel', '>= 0.5.18', '< 1.0.0']]
 
 end