Update rubocop

Gemfile.lock

@@ -21,7 +21,7 @@ GEM
  tzinfo (~> 1.1)
  addressable (2.4.0)
  arel (7.1.4)
- ast (2.2.0)
+ ast (2.3.0)
  backports (3.6.8)
  concurrent-ruby (1.0.5)
  diff-lcs (1.2.5)
@@ -50,13 +50,15 @@ GEM
  multipart-post (2.0.0)
  net-http-persistent (2.9.4)
  net-http-pipeline (1.0.1)
- parser (2.3.0.6)
- ast (~> 2.2)
+ parallel (1.12.0)
+ parser (2.4.0.2)
+ ast (~> 2.3)
  powerpack (0.1.1)
  pusher-client (0.6.2)
  json
  websocket (~> 1.0)
- rainbow (2.1.0)
+ rainbow (2.2.2)
+ rake
  rake (10.5.0)
  rspec (3.4.0)
  rspec-core (~> 3.4.0)
@@ -71,13 +73,14 @@ GEM
  diff-lcs (>= 1.2.0, < 2.0)
  rspec-support (~> 3.4.0)
  rspec-support (3.4.1)
- rubocop (0.38.0)
- parser (>= 2.3.0.6, < 3.0)
+ rubocop (0.50.0)
+ parallel (~> 1.10)
+ parser (>= 2.3.3.1, < 3.0)
  powerpack (~> 0.1)
- rainbow (>= 1.99.1, < 3.0)
+ rainbow (>= 2.2.2, < 3.0)
  ruby-progressbar (~> 1.7)
  unicode-display_width (~> 1.0, >= 1.0.1)
- ruby-progressbar (1.7.5)
+ ruby-progressbar (1.9.0)
  thread_safe (0.3.6)
  travis (1.8.2)
  backports
@@ -92,7 +95,7 @@ GEM
  ethon (>= 0.8.0)
  tzinfo (1.2.4)
  thread_safe (~> 0.1)
- unicode-display_width (1.0.2)
+ unicode-display_width (1.3.0)
  uuidtools (2.1.5)
  websocket (1.2.2)
 

uuidable.gemspec

@@ -1,5 +1,3 @@
-# coding: utf-8
-
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'uuidable/version'
@@ -25,6 +23,6 @@ Gem::Specification.new do |spec|
  spec.add_development_dependency 'rspec', '~> 3.0'
  spec.add_development_dependency 'travis', '~> 1.8', '>= 1.8.2'
 
- spec.add_dependency 'uuidtools', '>= 2.1', '< 3'
  spec.add_dependency 'activerecord', '>= 4.2', '< 5.1'
+ spec.add_dependency 'uuidtools', '>= 2.1', '< 3'
 end