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

Gem::Specification.new do |spec|
  spec.name = "faraday-detailed_logger"
  spec.version = Faraday::DetailedLogger::VERSION
  spec.authors = ["Envy Labs"]
  spec.email = [""]

  spec.summary = "A detailed request and response logger for Faraday."
  spec.description = %(
    A Faraday middleware for logging request and response activity including
    method, URI, headers, and body at varying log levels.
  )
  spec.homepage = "https://github.com/envylabs/faraday-detailed_logger"
  spec.license = "MIT"

  spec.files = `git ls-files -z`.split("\x0").reject { |f|
    f.match(%r{^(test|spec|features)/})
  }

  spec.bindir = "exe"
  spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
  spec.require_paths = ["lib"]

  spec.add_runtime_dependency "faraday"

  spec.add_development_dependency "appraisal", "~> 2.0"
  spec.add_development_dependency "bundler", "~> 1.12"
  spec.add_development_dependency "coveralls"
  spec.add_development_dependency "rake", "~> 11.0"
  spec.add_development_dependency "rspec", "~> 3.0"
end
```

Set a minimum version constraint on Faraday.
user
```ruby
# coding: utf-8
lib = File.expand_path("../lib", __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require "faraday/detailed_logger/version"

Gem::Specification.new do |spec|
  spec.name = "faraday-detailed_logger"
  spec.version = Faraday::DetailedLogger::VERSION
  spec.authors = ["Envy Labs"]
  spec.email = [""]

  spec.summary = "A detailed request and response logger for Faraday."
  spec.description = %(
    A Faraday middleware for logging request and response activity including
    method, URI, headers, and body at varying log levels.
  )
  spec.homepage = "https://github.com/envylabs/faraday-detailed_logger"
  spec.license = "MIT"

  spec.files = `git ls-files -z`.split("\x0").reject { |f|
    f.match(%r{^(test|spec|features)/})
  }

  spec.bindir = "exe"
  spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
  spec.require_paths = ["lib"]

  spec.add_runtime_dependency "faraday", "~> 0.8"

  spec.add_development_dependency "appraisal", "~> 2.0"
  spec.add_development_dependency "bundler", "~> 1.12"
  spec.add_development_dependency "coveralls"
  spec.add_development_dependency "rake", "~> 11.0"
  spec.add_development_dependency "rspec", "~> 3.0"
end
```
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