diff --git a/backend/app/models/cargo.rb b/backend/app/models/cargo.rb
index 6c564c3..a78b63e 100644
--- a/backend/app/models/cargo.rb
+++ b/backend/app/models/cargo.rb
@@ -1,2 +1,3 @@
 class Cargo < ApplicationRecord
+  has_many :users
 end