rails42.gemfile in rollbar-2.15.0

- old
+ new

@@ -11,10 +11,14 @@
 gem 'rails', '4.2.3'
 gem 'rake'
 gem 'rspec-rails', '~> 3.4'
 gem 'sqlite3', :platform => [:ruby, :mswin, :mingw]
 
-gem 'sidekiq', '>= 2.13.0' if RUBY_VERSION != '1.8.7'
+if RUBY_VERSION > '1.8.7' && RUBY_VERSION < '2.2.2'
+  gem 'sidekiq', '>= 2.13.0', '< 5.0'
+else
+  gem 'sidekiq', '>= 2.13.0'
+end
 
 platforms :rbx do
   gem 'minitest'
   gem 'racc'
   gem 'rubinius-developer_tools'