diff --git a/lib/rubocop/cop/registry.rb b/lib/rubocop/cop/registry.rb
index <HASH>..<HASH> 100644
--- a/lib/rubocop/cop/registry.rb
+++ b/lib/rubocop/cop/registry.rb
@@ -22,6 +22,8 @@ module RuboCop
 
     # Registry that tracks all cops by their badge and department.
     class Registry
+      include Enumerable
+
       def initialize(cops = [], options = {})
         @registry = {}
         @departments = {}
[Fix #<I>] Make Registry enumerable (#<I>)