diff --git a/app/use_cases/guests/update_use_case.rb b/app/use_cases/guests/update_use_case.rb
index 9a5cc66..d31a982 100644
--- a/app/use_cases/guests/update_use_case.rb
+++ b/app/use_cases/guests/update_use_case.rb
@@ -2,7 +2,13 @@
 
 module Guests
   class UpdateUseCase
+    private attr_reader :guest_ids, :params
     def initialize(guest_ids:, params:)
+      @guest_ids = guest_ids
+      @params = params
+    end
+
+    def call
       Guest.where(id: guest_ids).update!(params)
 
       # TODO: Not all status transitions may require a table re-arrangement