sidekiq_prometheus.rb in sidekiq_prometheus-1.4.0

- old
+ new

@@ -4,9 +4,10 @@
 require 'rack'
 require 'prometheus/client'
 require 'prometheus/middleware/exporter'
 require 'sidekiq'
 require 'sidekiq/api'
+require 'webrick'
 
 begin
   require 'sidekiq/ent'
 rescue LoadError
 end