```ruby
spec = Gem::Specification.new do |s|
  s.name              = "songkick-oauth2-provider"
  s.version           = "0.10.0"
  s.summary           = "Simple OAuth 2.0 provider toolkit"
  s.author            = "James Coglan"
  s.email             = "james@songkick.com"
  s.homepage          = "http://www.songkick.com"

  s.extra_rdoc_files  = %w(README.rdoc)
  s.rdoc_options      = %w(--main README.rdoc)

  s.files             = %w(README.rdoc) + Dir.glob("{spec,lib,example}/**/*")
  s.require_paths     = ["lib"]

  s.add_dependency("activerecord")
  s.add_dependency("bcrypt-ruby")
  s.add_dependency("json")
  s.add_dependency("rack")

  s.add_development_dependency("appraisal", "~> 0.4.0")
  s.add_development_dependency("activerecord", "~> 3.2.0") # The SQLite adapter in 3.1 is broken
  s.add_development_dependency("rspec")
  s.add_development_dependency("sqlite3")
  s.add_development_dependency("sinatra", ">= 1.3.0")
  s.add_development_dependency("thin")
  s.add_development_dependency("factory_girl", "~> 2.0")
end

```

Make list of gem files more specific about file types.
user
```ruby
spec = Gem::Specification.new do |s|
  s.name              = "songkick-oauth2-provider"
  s.version           = "0.10.0"
  s.summary           = "Simple OAuth 2.0 provider toolkit"
  s.author            = "James Coglan"
  s.email             = "james@songkick.com"
  s.homepage          = "http://www.songkick.com"

  s.extra_rdoc_files  = %w(README.rdoc)
  s.rdoc_options      = %w(--main README.rdoc)

  s.files             = %w(README.rdoc) + Dir.glob("{example,lib,spec}/**/*.{css,erb,rb,rdoc,ru}")
  s.require_paths     = ["lib"]

  s.add_dependency("activerecord")
  s.add_dependency("bcrypt-ruby")
  s.add_dependency("json")
  s.add_dependency("rack")

  s.add_development_dependency("appraisal", "~> 0.4.0")
  s.add_development_dependency("activerecord", "~> 3.2.0") # The SQLite adapter in 3.1 is broken
  s.add_development_dependency("rspec")
  s.add_development_dependency("sqlite3")
  s.add_development_dependency("sinatra", ">= 1.3.0")
  s.add_development_dependency("thin")
  s.add_development_dependency("factory_girl", "~> 2.0")
end

```
assistant