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

Gem::Specification.new do |spec|
  spec.name          = "easy_logging"
  spec.version       = EasyLogging::VERSION
  spec.authors       = ["thisismydesign"]
  spec.email         = ["thisismydesign@users.noreply.github.com"]

  spec.summary       = "Include logging anywhere easily, without redundancy."
  spec.homepage      = "https://github.com/thisismydesign/easy_logging"

  spec.files         = `git ls-files -z`.split("\x0").reject do |f|
    f.match(%r{^(test|spec|features)/})
  end
  spec.bindir        = "exe"
  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
  spec.require_paths = ["lib"]

  # Usage of prepend
  spec.required_ruby_version = '>= 2.0.0'

  spec.add_development_dependency "bundler", "~> 1.14"
  spec.add_development_dependency "rake", "~> 10.0"
  spec.add_development_dependency "rspec", "~> 3.0"
  spec.add_development_dependency "coveralls"
  spec.add_development_dependency "guard"
  spec.add_development_dependency "guard-bundler"
  spec.add_development_dependency "guard-rspec"
end
```

Upgrade rake to version 12.3.1
user
```ruby
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'easy_logging/version'

Gem::Specification.new do |spec|
  spec.name          = "easy_logging"
  spec.version       = EasyLogging::VERSION
  spec.authors       = ["thisismydesign"]
  spec.email         = ["thisismydesign@users.noreply.github.com"]

  spec.summary       = "Include logging anywhere easily, without redundancy."
  spec.homepage      = "https://github.com/thisismydesign/easy_logging"

  spec.files         = `git ls-files -z`.split("\x0").reject do |f|
    f.match(%r{^(test|spec|features)/})
  end
  spec.bindir        = "exe"
  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
  spec.require_paths = ["lib"]

  # Usage of prepend
  spec.required_ruby_version = '>= 2.0.0'

  spec.add_development_dependency "bundler", "~> 1.14"
  spec.add_development_dependency "rake", "~> 12.3"
  spec.add_development_dependency "rspec", "~> 3.0"
  spec.add_development_dependency "coveralls"
  spec.add_development_dependency "guard"
  spec.add_development_dependency "guard-bundler"
  spec.add_development_dependency "guard-rspec"
end
```
assistant