```ruby
# -*- encoding: utf-8 -*-
$:.push File.expand_path("../lib", __FILE__)
require "highcharts/version"

Gem::Specification.new do |s|
  s.name        = "highcharts-rails"
  s.version     = Highcharts::VERSION
  s.authors     = ["Per Christian B. Viken"]
  s.email       = ["perchr@northblue.org"]
  s.homepage    = "http://northblue.org/"
  s.summary     = %q{Gem for easily adding Highcharts to the Rails Asset Pipeline}
  s.description = %q{Gem that includes Highcharts, Interactive JavaScript charts for your web projects, in the Rails Asset Pipeline introduced in Rails 3.1}

  s.files         = `git ls-files`.split("\n")
  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
  s.require_paths = ["lib"]
end
```

Add a dependency on Railties
user
```ruby
# -*- encoding: utf-8 -*-
$:.push File.expand_path("../lib", __FILE__)
require "highcharts/version"

Gem::Specification.new do |s|
  s.name        = "highcharts-rails"
  s.version     = Highcharts::VERSION
  s.authors     = ["Per Christian B. Viken"]
  s.email       = ["perchr@northblue.org"]
  s.homepage    = "http://northblue.org/"
  s.summary     = %q{Gem for easily adding Highcharts to the Rails Asset Pipeline}
  s.description = %q{Gem that includes Highcharts, Interactive JavaScript charts for your web projects, in the Rails Asset Pipeline introduced in Rails 3.1}

  s.files         = `git ls-files`.split("\n")
  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
  s.require_paths = ["lib"]

  s.add_dependency "railties", "~> 3.1"
  s.add_development_dependency "bundler", "~> 1.0.0"
  s.add_development_dependency "rails",   "~> 3.1"
end
```
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