Gemfile in sanitize_email-2.0.1 vs Gemfile in sanitize_email-2.0.2

@@ -3,15 +3,20 @@
 source 'https://rubygems.org'
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 group :test do
+  # Travis-CI does not support C-extensions on JRuby
   ruby_version = Gem::Version.new(RUBY_VERSION)
   if ruby_version >= Gem::Version.new('2.1')
-    gem 'rubocop', '~> 0.53.0'
-    gem 'rubocop-rspec', '~> 1.24.0'
+    gem 'rubocop', '~> 0.58.2', platforms: :mri
+    gem 'rubocop-rspec', '~> 1.29.1', platforms: :mri
   end
-  gem 'byebug' if ruby_version >= Gem::Version.new('2.0')
+  if ruby_version >= Gem::Version.new('2.0')
+    gem 'byebug', platforms: :mri
+    gem 'pry', platforms: :mri
+    gem 'pry-byebug', platforms: :mri
+  end
 end
 
 # Specify your gem's dependencies in sanitize_email.gemspec
 gemspec