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

Gem::Specification.new do |spec|
  spec.name          = "ldp_testsuite_wrapper"
  spec.version       = LdpTestsuiteWrapper::VERSION
  spec.authors       = ["Chris Beer"]
  spec.email         = ["chris@cbeer.info"]
  spec.summary       = %q{LDP Test Suite service wrapper}
  spec.homepage      = "https://github.com/cbeer/ldp_testsuite_wrapper"
  spec.license       = "MIT"

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

  spec.add_dependency "rubyzip"
  spec.add_dependency "faraday"
  spec.add_dependency "ruby-progressbar"

  spec.add_development_dependency "bundler", "~> 1.7"
  spec.add_development_dependency "rake", "~> 10.0"

  spec.add_development_dependency "rspec"
  spec.add_development_dependency "coveralls"
end
```

Update bundler and rake versions in gemspec.
user
```ruby
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'ldp_testsuite_wrapper/version'

Gem::Specification.new do |spec|
  spec.name          = "ldp_testsuite_wrapper"
  spec.version       = LdpTestsuiteWrapper::VERSION
  spec.authors       = ["Chris Beer"]
  spec.email         = ["chris@cbeer.info"]
  spec.summary       = %q{LDP Test Suite service wrapper}
  spec.homepage      = "https://github.com/cbeer/ldp_testsuite_wrapper"
  spec.license       = "MIT"

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

  spec.add_dependency "rubyzip"
  spec.add_dependency "faraday"
  spec.add_dependency "ruby-progressbar"

  spec.add_development_dependency "bundler", "~> 2.1", ">= 2.1.10"
  spec.add_development_dependency "rake", "~> 13.0"

  spec.add_development_dependency "rspec"
  spec.add_development_dependency "coveralls"
end
```
assistant