diff --git a/src/controllers/user-controller.ts b/src/controllers/user-controller.ts
index 5c6d1d1..6dd2c93 100644
--- a/src/controllers/user-controller.ts
+++ b/src/controllers/user-controller.ts
@@ -40,16 +40,16 @@ type UserCreate = {
   lastNameEN: string;
   gender: string;
 
-  registrationNo?: string;
-  startDate?: Date;
-  retireDate?: Date;
-  discountCondition?: string;
-  licenseNo?: string;
-  licenseIssueDate?: Date;
-  licenseExpireDate?: Date;
-  sourceNationality?: string;
-  importNationality?: string;
-  trainingPlace?: string;
+  registrationNo?: string | null;
+  startDate?: Date | null;
+  retireDate?: Date | null;
+  discountCondition?: string | null;
+  licenseNo?: string | null;
+  licenseIssueDate?: Date | null;
+  licenseExpireDate?: Date | null;
+  sourceNationality?: string | null;
+  importNationality?: string | null;
+  trainingPlace?: string | null;
 
   address: string;
   addressEN: string;
@@ -74,16 +74,16 @@ type UserUpdate = {
   lastNameEN?: string;
   gender?: string;
 
-  registrationNo?: string;
-  startDate?: Date;
-  retireDate?: Date;
-  discountCondition?: string;
-  licenseNo?: string;
-  licenseIssueDate?: Date;
-  licenseExpireDate?: Date;
-  sourceNationality?: string;
-  importNationality?: string;
-  trainingPlace?: string;
+  registrationNo?: string | null;
+  startDate?: Date | null;
+  retireDate?: Date | null;
+  discountCondition?: string | null;
+  licenseNo?: string | null;
+  licenseIssueDate?: Date | null;
+  licenseExpireDate?: Date | null;
+  sourceNationality?: string | null;
+  importNationality?: string | null;
+  trainingPlace?: string | null;
 
   address?: string;
   addressEN?: string;