ERROR output

[luke@labxps13 puppet]$ rake -t
rake aborted!
LoadError: cannot load such file -- puppet-maint/tasks/puppet-maint
/usr/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
/usr/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
/home/luke/dev/app/puppet/Rakefile:4:in `<top (required)>'
/usr/lib/ruby/2.2.0/rake/rake_module.rb:28:in `load'
/usr/lib/ruby/2.2.0/rake/rake_module.rb:28:in `load_rakefile'
/usr/lib/ruby/2.2.0/rake/application.rb:689:in `raw_load_rakefile'
/usr/lib/ruby/2.2.0/rake/application.rb:94:in `block in load_rakefile'
/usr/lib/ruby/2.2.0/rake/application.rb:176:in `standard_exception_handling'
/usr/lib/ruby/2.2.0/rake/application.rb:93:in `load_rakefile'
/usr/lib/ruby/2.2.0/rake/application.rb:77:in `block in run'
/usr/lib/ruby/2.2.0/rake/application.rb:176:in `standard_exception_handling'
/usr/lib/ruby/2.2.0/rake/application.rb:75:in `run'
/usr/bin/rake:33:in `<main>'

Gemfile

source "https://rubygems.org"

group :test do
  gem "rake"
  gem "puppet", ENV['PUPPET_VERSION'] || '~> 3.7.4'
  gem "puppet-lint", :git => 'git@github.com:rodjek/puppet-lint.git'
  gem "puppet-lint-indent-check"
  gem "rspec", '< 3.2.0'
  gem "rspec-puppet", :git => 'https://github.com/rodjek/rspec-puppet.git'
  gem 'librarian-puppet'
  gem 'activemodel', '4.2.0'
  gem 'activesupport', '4.2.0'
  gem "puppet-syntax"
  gem "puppetlabs_spec_helper"
  gem "hiera-puppet-helper", :git => 'https://github.com/bobtfish/hiera-puppet-helper.git'
  gem "hiera-eyaml"
  gem 'puppet-maint', :git => 'https://github.com/liamjbennett/puppet-maint.git'
end

group :development do
  gem "travis"
  gem 'puppet-maint', :git => 'https://github.com/liamjbennett/puppet-maint.git'
  gem "travis-lint"
  gem "beaker", :git => 'https://github.com/puppetlabs/beaker.git'
  gem "beaker-rspec", '4.0.0'
  gem "docker-api", '<= 1.14'
  gem "vagrant-wrapper"
  gem "puppet-blacksmith"
  gem "guard-rake"
end

Rakefile

require 'puppetlabs_spec_helper/rake_tasks'
require 'puppet-lint/tasks/puppet-lint'
require 'puppet-syntax/tasks/puppet-syntax'
require 'puppet-maint/tasks/puppet-maint'