diff --git a/app/serializers/application_serializer.rb b/app/serializers/application_serializer.rb
index 589d634..cf4d6c8 100644
--- a/app/serializers/application_serializer.rb
+++ b/app/serializers/application_serializer.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
 
 class ApplicationSerializer < ActiveModel::Serializer
+  attributes :id
 end