diff --git a/libs/common/src/modules/role-type/entities/role.type.entity.ts b/libs/common/src/modules/role-type/entities/role.type.entity.ts
index c65db72..0621b7d 100644
--- a/libs/common/src/modules/role-type/entities/role.type.entity.ts
+++ b/libs/common/src/modules/role-type/entities/role.type.entity.ts
@@ -1,10 +1,11 @@
-import { Column, Entity, OneToMany } from 'typeorm';
+import { Column, Entity, OneToMany, Unique } from 'typeorm';
 import { AbstractEntity } from '../../abstract/entities/abstract.entity';
 import { RoleTypeDto } from '../dtos/role.type.dto';
 import { RoleType } from '@app/common/constants/role.type.enum';
 import { UserRoleEntity } from '../../user-role/entities';
 
 @Entity({ name: 'role-type' })
+@Unique(['type'])
 export class RoleTypeEntity extends AbstractEntity<RoleTypeDto> {
   @Column({
     nullable: false,