```ruby
$:.push File.expand_path('../lib', __FILE__)

# Maintain your gem's version:
require 'rocket_job_mission_control/version'

# Describe your gem and declare its dependencies:
Gem::Specification.new do |s|
  s.name        = 'rocketjob_mission_control'
  s.version     = RocketJobMissionControl::VERSION
  s.authors     = ['Michael Cloutier', 'Chris Lamb', 'Jonathan Whittington']
  s.email       = ['support@rocketjob.io']
  s.homepage    = 'http://rocketjob.io'
  s.summary     = 'Enterprise Batch Processing System for Ruby.'
  s.description = 'Rocket Job Mission Control is the Web user interface to manage Rocket Job.'
  s.license     = 'Apache-2.0'

  s.files      = Dir['{app,config,db,lib,vendor}/**/*', 'LICENSE.txt', 'Rakefile', 'README.md']
  s.test_files = Dir['spec/**/*']

  s.add_dependency 'rails', '~> 4.2'
  s.add_dependency 'jquery-rails'
  s.add_dependency 'bootstrap-sass', '>= 3.2.0.1'
  s.add_dependency 'coffee-rails'
  s.add_dependency 'sass-rails', '>= 3.2'
  s.add_dependency 'rocketjob', '~> 2.0'
  s.add_dependency 'haml'
  s.add_dependency 'kaminari'
  s.add_dependency 'jquery-datatables-rails', '~> 3.3.0'

end
```

Allow any rails version over 4.1.
user
```ruby
$:.push File.expand_path('../lib', __FILE__)

# Maintain your gem's version:
require 'rocket_job_mission_control/version'

# Describe your gem and declare its dependencies:
Gem::Specification.new do |s|
  s.name        = 'rocketjob_mission_control'
  s.version     = RocketJobMissionControl::VERSION
  s.authors     = ['Michael Cloutier', 'Chris Lamb', 'Jonathan Whittington']
  s.email       = ['support@rocketjob.io']
  s.homepage    = 'http://rocketjob.io'
  s.summary     = 'Enterprise Batch Processing System for Ruby.'
  s.description = 'Rocket Job Mission Control is the Web user interface to manage Rocket Job.'
  s.license     = 'Apache-2.0'

  s.files      = Dir['{app,config,db,lib,vendor}/**/*', 'LICENSE.txt', 'Rakefile', 'README.md']
  s.test_files = Dir['spec/**/*']

  s.add_dependency 'rails', '>= 4.1'
  s.add_dependency 'jquery-rails'
  s.add_dependency 'bootstrap-sass', '>= 3.2.0.1'
  s.add_dependency 'coffee-rails'
  s.add_dependency 'sass-rails', '>= 3.2'
  s.add_dependency 'rocketjob', '~> 2.0'
  s.add_dependency 'haml'
  s.add_dependency 'kaminari'
  s.add_dependency 'jquery-datatables-rails', '~> 3.3.0'

end
```
assistant