Gemfile in jasmine_selenium_runner-2.4.0 vs Gemfile in jasmine_selenium_runner-3.0.0

@@ -2,5 +2,6 @@
 gemspec
 
 gem 'jasmine', :git => 'https://github.com/jasmine/jasmine-gem.git'
 gem 'jasmine-core', :git => 'https://github.com/jasmine/jasmine.git'
 
+gem 'rack', '< 2.0.0'