```ruby
# -*- encoding: utf-8 -*-
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'act_as_nameable/version'

Gem::Specification.new do |gem|
  gem.name          = 'act_as_nameable'
  gem.version       = ActAsNameable::VERSION
  gem.authors       = ['caedes']
  gem.email         = ['laurentromain@gmail.com']
  gem.description   = 'Add full name methods on a model'
  gem.summary       = gem.description
  gem.homepage      = 'https://github.com/caedes/act_as_nameable'

  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.require_paths = ['lib']

  gem.add_dependency 'activesupport', '~> 3.2.11'
  gem.add_dependency 'activerecord', '~> 3.2.11'

  gem.add_development_dependency 'rspec'
  gem.add_development_dependency 'sqlite3'
end
```

Add Rake gem to gemspec
user
```ruby
# -*- encoding: utf-8 -*-
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'act_as_nameable/version'

Gem::Specification.new do |gem|
  gem.name          = 'act_as_nameable'
  gem.version       = ActAsNameable::VERSION
  gem.authors       = ['caedes']
  gem.email         = ['laurentromain@gmail.com']
  gem.description   = 'Add full name methods on a model'
  gem.summary       = gem.description
  gem.homepage      = 'https://github.com/caedes/act_as_nameable'

  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.require_paths = ['lib']

  gem.add_dependency 'activesupport', '~> 3.2.11'
  gem.add_dependency 'activerecord', '~> 3.2.11'

  gem.add_development_dependency 'rake'
  gem.add_development_dependency 'rspec'
  gem.add_development_dependency 'sqlite3'
end
```
assistant