cellular.gemspec in cellular-1.3.0 vs cellular.gemspec in cellular-2.0.0

@@ -19,18 +19,18 @@
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ['lib']
 
   gem.add_dependency 'httparty', '~> 0.13.0'
   gem.add_dependency 'savon',    '~> 2.0'
+  gem.add_dependency 'rails',    '>= 4.2'
 
   gem.add_development_dependency 'pry', '~> 0.10'
 
   gem.add_development_dependency 'guard', '~> 2.6'
   gem.add_development_dependency 'guard-rspec', '~> 4.3'
   gem.add_development_dependency 'rake', '~> 10.3'
   gem.add_development_dependency 'webmock', '~> 1.19'
 
-  gem.add_development_dependency 'sidekiq', '~> 3.2'
   gem.add_development_dependency 'rspec-rails', '~> 2.99'
 
   gem.add_development_dependency 'coveralls', '~> 0.7'
   gem.add_development_dependency 'simplecov', '~> 0.9'
 end