ruby-lokalise-api.gemspec in ruby-lokalise-api-2.1.0 vs ruby-lokalise-api.gemspec in ruby-lokalise-api-2.1.1

@@ -26,8 +26,9 @@
 
   spec.add_development_dependency 'dotenv',                    '~> 2.5'
   spec.add_development_dependency 'rake',                      '~> 12.1'
   spec.add_development_dependency 'rspec',                     '~> 3.6'
   spec.add_development_dependency 'rubocop',                   '~> 0.60'
+  spec.add_development_dependency 'rubocop-performance',       '~> 1.0'
   spec.add_development_dependency 'simplecov',                 '~> 0.16'
   spec.add_development_dependency 'vcr',                       '~> 4.0'
 end