diff --git a/packages/nestjs-user/src/entities/user-postgres.entity.ts b/packages/nestjs-user/src/entities/user-postgres.entity.ts
index 15a0e67c8..f7b6ae397 100644
--- a/packages/nestjs-user/src/entities/user-postgres.entity.ts
+++ b/packages/nestjs-user/src/entities/user-postgres.entity.ts
@@ -16,13 +16,13 @@ export abstract class UserPostgresEntity implements UserEntityInterface {
   /**
    * Email
    */
-  @Column()
+  @Column({ unique: true })
   email!: string;
 
   /**
    * Username
    */
-  @Column()
+  @Column({ unique: true })
   username!: string;
 
   /**
diff --git a/packages/nestjs-user/src/entities/user-sqlite.entity.ts b/packages/nestjs-user/src/entities/user-sqlite.entity.ts
index 88080617a..7cc7f2c9c 100644
--- a/packages/nestjs-user/src/entities/user-sqlite.entity.ts
+++ b/packages/nestjs-user/src/entities/user-sqlite.entity.ts
@@ -13,13 +13,13 @@ export abstract class UserSqliteEntity implements UserEntityInterface {
   /**
    * Email
    */
-  @Column()
+  @Column({ unique: true })
   email!: string;
 
   /**
    * Username
    */
-  @Column()
+  @Column({ unique: true })
   username!: string;
 
   /**