wcc-media-client.gemspec in wcc-media-client-0.4.12 vs wcc-media-client.gemspec in wcc-media-client-0.4.13

@@ -33,9 +33,10 @@
   spec.add_development_dependency 'guard', '~> 2.15'
   spec.add_development_dependency 'guard-rspec', '~> 4.7'
   spec.add_development_dependency 'guard-rubocop', '~> 1.3'
   spec.add_development_dependency 'http', '> 1.0', '< 3.0'
   spec.add_development_dependency 'httplog', '~> 1.0'
+  spec.add_development_dependency 'nio4r', '2.5.2'
   spec.add_development_dependency 'rails', '~> 5.0'
   spec.add_development_dependency 'rake', '~> 12.3'
   spec.add_development_dependency 'responders', '< 3.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'rspec-rails', '~> 3.7'