rails_4.gemfile in routemaster-drain-3.7.1

- old
+ new

@@ -9,10 +9,10 @@
 gem "rack-test", :require => false
 gem "dotenv", :require => false
 gem "simplecov", :require => false
 gem "codecov", :require => false
 gem "resque", :require => false
-gem "sidekiq", :require => false
+gem "sidekiq", '~> 5.2.10', :require => false
 gem "guard-rspec", :require => false
 gem "pry", :require => false
 gem "byebug", :require => false
 gem "rspec", :require => false
 gem "appraisal", :require => false