```ruby
require File.expand_path("../lib/dumb_delegator/version", __FILE__)

Gem::Specification.new do |gem|
  gem.name = "dumb_delegator"
  gem.version = DumbDelegator::VERSION
  gem.required_ruby_version = ">= 2.4.0"
  gem.authors = ["Andy Lindeman", "Steven Harman"]
  gem.email = ["alindeman@gmail.com", "steven@harmanly.com"]
  gem.summary = "Delegator class that delegates ALL the things"
  gem.description = <<-EOD
    Delegator and SimpleDelegator in Ruby's stdlib are useful, but they pull in most of Kernel. This is not appropriate for many uses; for instance, delegation to Rails models.
  EOD
  gem.homepage = "https://github.com/stevenharman/dumb_delegator"

  gem.files = `git ls-files`.split($\)
  gem.test_files = gem.files.grep(%r{^(test|spec|features)/})
  gem.require_paths = ["lib"]

  gem.add_development_dependency "pry"
  gem.add_development_dependency "rake", "~> 13.0"
  gem.add_development_dependency "rspec", "~> 3.9"
end
```

Add license to Gemspec and tweak description
user
```ruby
require File.expand_path("../lib/dumb_delegator/version", __FILE__)

Gem::Specification.new do |gem|
  gem.name = "dumb_delegator"
  gem.version = DumbDelegator::VERSION
  gem.required_ruby_version = ">= 2.4.0"
  gem.authors = ["Andy Lindeman", "Steven Harman"]
  gem.email = ["alindeman@gmail.com", "steven@harmanly.com"]
  gem.licenses = ["MIT"]
  gem.summary = "Delegator class that delegates ALL the things"
  gem.description = <<~EOD
    Delegator and SimpleDelegator in Ruby's stdlib are useful, but they pull in most of Kernel.
    This is not appropriate for many uses; for instance, delegation to Rails models.
    DumbDelegator, on the other hand, delegates nearly everything to the wrapped object.
  EOD
  gem.homepage = "https://github.com/stevenharman/dumb_delegator"

  gem.files = `git ls-files`.split($\)
  gem.test_files = gem.files.grep(%r{^(test|spec|features)/})
  gem.require_paths = ["lib"]

  gem.add_development_dependency "pry"
  gem.add_development_dependency "rake", "~> 13.0"
  gem.add_development_dependency "rspec", "~> 3.9"
end
```
assistant