diff --git a/lib/outboxable/worker.rb b/lib/outboxable/worker.rb
index 5503c4e..e6790d5 100644
--- a/lib/outboxable/worker.rb
+++ b/lib/outboxable/worker.rb
@@ -1,6 +1,8 @@
+require 'sidekiq'
+
 module Outboxable
   class Worker
-    include Sidekiq::Job
+    include ::Sidekiq::Job
 
     def perform(outbox_id)
       Outboxable::PublishingManager.publish(resource: Outbox.find(outbox_id))