```ruby
# -*- encoding: utf-8 -*-
require File.expand_path('../lib/appsignal/version', __FILE__)

Gem::Specification.new do |gem|
  gem.authors       = [
    'Robert Beekman',
    'Steven Weller',
    'Thijs Cadier',
    'Ron Cadier',
    'Jacob Vosmaer'
  ]
  gem.email         = ['contact@appsignal.com']
  gem.description   = %q{The official appsignal.com gem}
  gem.summary       = %q{Logs performance and exception data from your app to appsignal.com}
  gem.homepage      = "http://github.com/80beans/appsignal"

  gem.files         = `git ls-files`.split($\)
  gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
  gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
  gem.name          = 'appsignal'
  gem.require_paths = ['lib']
  gem.version       = Appsignal::VERSION

  gem.add_dependency 'rails'
  gem.add_dependency 'rake'
  gem.add_dependency 'json'

  gem.add_development_dependency 'rspec'
  gem.add_development_dependency 'capistrano'
  gem.add_development_dependency 'generator_spec'
  gem.add_development_dependency 'mongo'
  gem.add_development_dependency 'tire'
end
```

Make rails dependency 3 or higher
user
```ruby
# -*- encoding: utf-8 -*-
require File.expand_path('../lib/appsignal/version', __FILE__)

Gem::Specification.new do |gem|
  gem.authors       = [
    'Robert Beekman',
    'Steven Weller',
    'Thijs Cadier',
    'Ron Cadier',
    'Jacob Vosmaer'
  ]
  gem.email         = ['contact@appsignal.com']
  gem.description   = %q{The official appsignal.com gem}
  gem.summary       = %q{Logs performance and exception data from your app to appsignal.com}
  gem.homepage      = "http://github.com/80beans/appsignal"

  gem.files         = `git ls-files`.split($\)
  gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
  gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
  gem.name          = 'appsignal'
  gem.require_paths = ['lib']
  gem.version       = Appsignal::VERSION

  gem.add_dependency 'rails', '~>3'
  gem.add_dependency 'rake'
  gem.add_dependency 'json'

  gem.add_development_dependency 'rspec'
  gem.add_development_dependency 'capistrano'
  gem.add_development_dependency 'generator_spec'
  gem.add_development_dependency 'mongo'
  gem.add_development_dependency 'tire'
end
```
assistant