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

Gem::Specification.new do |spec|
  spec.name          = 'nprogress-rails'
  spec.version       = '0.1.3.1'
  spec.authors       = ['Carlos Alexandro Becker']
  spec.email         = ['caarlos0@gmail.com']
  spec.description   = %q{This is a gem for the rstacruz' nprogress implementation. It's based on version nprogress 0.1.2.}
  spec.summary       = %q{Slim progress bars for Ajax'y applications. Inspired by Google, YouTube, and Medium.}
  spec.homepage      = 'https://github.com/caarlos0/nprogress-rails'
  spec.license       = 'MIT'

  spec.files         = `git ls-files`.split($/)
  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
  spec.require_paths = ['lib']

  spec.add_development_dependency 'bundler', '~> 1.3'
  spec.add_development_dependency 'rake'
  spec.add_development_dependency 'sass-rails'
  spec.add_development_dependency 'sass'
end
```

Change gem description to nprogress version 0.1.6
user
```ruby
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)

Gem::Specification.new do |spec|
  spec.name          = 'nprogress-rails'
  spec.version       = '0.1.3.1'
  spec.authors       = ['Carlos Alexandro Becker']
  spec.email         = ['caarlos0@gmail.com']
  spec.description   = %q{This is a gem for the rstacruz' nprogress implementation. It's based on version nprogress 0.1.6.}
  spec.summary       = %q{Slim progress bars for Ajax'y applications. Inspired by Google, YouTube, and Medium.}
  spec.homepage      = 'https://github.com/caarlos0/nprogress-rails'
  spec.license       = 'MIT'

  spec.files         = `git ls-files`.split($/)
  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
  spec.require_paths = ['lib']

  spec.add_development_dependency 'bundler', '~> 1.3'
  spec.add_development_dependency 'rake'
  spec.add_development_dependency 'sass-rails'
  spec.add_development_dependency 'sass'
end
```
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