diff --git a/libs/common/src/modules/user-role/entities/user.role.entity.ts b/libs/common/src/modules/user-role/entities/user.role.entity.ts
index e375723..34b49c4 100644
--- a/libs/common/src/modules/user-role/entities/user.role.entity.ts
+++ b/libs/common/src/modules/user-role/entities/user.role.entity.ts
@@ -1,10 +1,11 @@
-import { Entity, ManyToOne } from 'typeorm';
+import { Entity, ManyToOne, Unique } from 'typeorm';
 import { AbstractEntity } from '../../abstract/entities/abstract.entity';
 import { UserRoleDto } from '../dtos';
 import { UserEntity } from '../../user/entities';
 import { RoleTypeEntity } from '../../role-type/entities';
 
 @Entity({ name: 'user-role' })
+@Unique(['user', 'roleType'])
 export class UserRoleEntity extends AbstractEntity<UserRoleDto> {
   @ManyToOne(() => UserEntity, (user) => user.role, {
     nullable: false,