percy-capybara.gemspec in percy-capybara-0.3.0 vs percy-capybara.gemspec in percy-capybara-0.4.0

@@ -22,10 +22,11 @@
 
   spec.add_development_dependency 'bundler', '~> 1.7'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.2'
   spec.add_development_dependency 'capybara', '~> 2.4'
-  spec.add_development_dependency 'capybara-webkit', '~> 1.5'
+  spec.add_development_dependency 'capybara-webkit', '>= 1.6'
   spec.add_development_dependency 'selenium-webdriver'
   spec.add_development_dependency 'webmock', '~> 1'
   spec.add_development_dependency 'faraday', '>= 0.8'
+  spec.add_development_dependency 'sprockets', '>= 3.2.0'
 end