mrkt.gemspec in mrkt-1.1.1 vs mrkt.gemspec in mrkt-1.2.0

@@ -25,10 +25,10 @@
   spec.add_development_dependency 'bundler', '~> 2.0'
   spec.add_development_dependency 'gem-release', '~> 2.1'
   spec.add_development_dependency 'pry-byebug', '~> 3.7'
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.2'
-  spec.add_development_dependency 'rubocop', '~> 1.18.4'
+  spec.add_development_dependency 'rubocop', '~> 1.20.0'
   spec.add_development_dependency 'rubocop-rake', '~> 0.6.0'
   spec.add_development_dependency 'simplecov', '~> 0.21.2'
   spec.add_development_dependency 'webmock', '~> 3.1'
 end