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

Gem::Specification.new do |gem|
  gem.name          = "liftoff"
  gem.version       = Liftoff::VERSION
  gem.authors       = ["Mark Adams", "Gordon Fontenot"]
  gem.email         = ["mark@thoughtbot.com"]
  gem.description   = %q{CLI for setting up new Xcode projects.}
  gem.summary       = %q{Provides a variety of commands for automating simple Xcode settings for new projects.}
  gem.homepage      = ""
  
  gem.add_dependency "commander", "~> 4.1.2"

  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"]
end
```

Add xcodeproj as a dependency
user
```ruby
# -*- encoding: utf-8 -*-
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'liftoff'

Gem::Specification.new do |gem|
  gem.name          = "liftoff"
  gem.version       = Liftoff::VERSION
  gem.authors       = ["Mark Adams", "Gordon Fontenot"]
  gem.email         = ["mark@thoughtbot.com"]
  gem.description   = %q{CLI for setting up new Xcode projects.}
  gem.summary       = %q{Provides a variety of commands for automating simple Xcode settings for new projects.}
  gem.homepage      = ""
  
  gem.add_dependency "commander", "~> 4.1.2"
  gem.add_dependency "xcodeproj", "~> 0.3.4"

  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"]
end
```
assistant