diff --git a/modules/notification/notification.model.js b/modules/notification/notification.model.js
index 1bf2803..24006bc 100644
--- a/modules/notification/notification.model.js
+++ b/modules/notification/notification.model.js
@@ -26,6 +26,11 @@ module.exports = function (sequelize, DataTypes) {
             type: DataTypes.JSON,
             allowNull: true,
         },
+        userId: {
+            type: DataTypes.UUID,
+            allowNull: false,
+            foreignKey: true
+        }
     }, {
         tableName: 'notifications',
         freezeTableName: true,