```ruby
require './lib/rgeo/active_record/version'

::Gem::Specification.new do |spec|
  spec.name = 'rgeo-activerecord'
  spec.summary = 'An RGeo module providing spatial extensions to ActiveRecord.'
  spec.description = "RGeo is a geospatial data library for Ruby. RGeo::ActiveRecord is an optional RGeo module providing some spatial extensions to ActiveRecord, as well as common tools used by RGeo-based spatial adapters."
  spec.version = "#{::RGeo::ActiveRecord::VERSION}"
  spec.author = 'Daniel Azuma'
  spec.email = 'dazuma@gmail.com'
  spec.homepage = "http://github.com/rgeo/rgeo-activerecord"

  spec.files = Dir["lib/**/*", "test/**/*", "README.rdoc", "History.rdoc", "LICENSE.txt"]
  spec.extra_rdoc_files = Dir["*.rdoc"]
  spec.test_files = Dir["test/**/*"]
  spec.platform = ::Gem::Platform::RUBY

  spec.required_ruby_version = '>= 1.9.3'

  spec.add_dependency 'rgeo', '~> 0.3'
  spec.add_dependency 'activerecord', '~> 4.0'

  spec.add_development_dependency 'minitest'
  spec.add_development_dependency 'rake', '~> 10.2'
end
```

Update gemspec: include renamed files
user
```ruby
require './lib/rgeo/active_record/version'

::Gem::Specification.new do |spec|
  spec.name = 'rgeo-activerecord'
  spec.summary = 'An RGeo module providing spatial extensions to ActiveRecord.'
  spec.description = "RGeo is a geospatial data library for Ruby. RGeo::ActiveRecord is an optional RGeo module providing some spatial extensions to ActiveRecord, as well as common tools used by RGeo-based spatial adapters."
  spec.version = "#{::RGeo::ActiveRecord::VERSION}"
  spec.author = 'Daniel Azuma'
  spec.email = 'dazuma@gmail.com'
  spec.homepage = "http://github.com/rgeo/rgeo-activerecord"

  spec.files = Dir["lib/**/*", "test/**/*", "README.md", "History.md", "LICENSE.txt"]
  spec.extra_rdoc_files = Dir["*.rdoc"]
  spec.test_files = Dir["test/**/*"]
  spec.platform = ::Gem::Platform::RUBY

  spec.required_ruby_version = '>= 1.9.3'

  spec.add_dependency 'rgeo', '~> 0.3'
  spec.add_dependency 'activerecord', '~> 4.0'

  spec.add_development_dependency 'minitest'
  spec.add_development_dependency 'rake', '~> 10.2'
end
```
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