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

# Allow to pass an arbitrary chef version. Useful for testing for example.
chef_version = if ENV.key?('CHEF_VERSION')
                 "= #{ENV['CHEF_VERSION']}"
               else
                 ['>= 10', '<= 12']
               end

Gem::Specification.new do |s|
  s.name        = 'knife-inspect'
  s.version     = HealthInspector::VERSION
  s.authors     = ['Greg Karékinian', 'Ben Marini']
  s.email       = ['greg@karekinian.com']
  s.homepage    = 'https://github.com/bmarini/knife-inspect'
  s.summary     = 'Inspect your chef repo as it is compared to what is on your chef server'
  s.description = 'Inspect your chef repo as it is compared to what is on your chef server'

  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.add_development_dependency "rake"
  s.add_development_dependency "rspec"
  s.add_development_dependency "simplecov", "~> 0.8.2"

  s.add_runtime_dependency "chef", chef_version
  s.add_runtime_dependency "yajl-ruby"
end
```

Add MIT license to the gemspec
user
```ruby
# -*- encoding: utf-8 -*-
$:.push File.expand_path("../lib", __FILE__)
require "health_inspector/version"

# Allow to pass an arbitrary chef version. Useful for testing for example.
chef_version = if ENV.key?('CHEF_VERSION')
                 "= #{ENV['CHEF_VERSION']}"
               else
                 ['>= 10', '<= 12']
               end

Gem::Specification.new do |s|
  s.name        = 'knife-inspect'
  s.version     = HealthInspector::VERSION
  s.authors     = ['Greg Karékinian', 'Ben Marini']
  s.email       = ['greg@karekinian.com']
  s.license     = 'MIT'
  s.homepage    = 'https://github.com/bmarini/knife-inspect'
  s.summary     = 'Inspect your chef repo as it is compared to what is on your chef server'
  s.description = 'Inspect your chef repo as it is compared to what is on your chef server'

  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.add_development_dependency "rake"
  s.add_development_dependency "rspec"
  s.add_development_dependency "simplecov", "~> 0.8.2"

  s.add_runtime_dependency "chef", chef_version
  s.add_runtime_dependency "yajl-ruby"
end
```
assistant