diff --git a/src/modules/restaurants/restaurants.controller.ts b/src/modules/restaurants/restaurants.controller.ts
index f9c6a25..273e154 100644
--- a/src/modules/restaurants/restaurants.controller.ts
+++ b/src/modules/restaurants/restaurants.controller.ts
@@ -24,7 +24,7 @@ export class RestaurantsController {
 
   @Patch(':id')
   update(@Param('id') id: string, @Body() updateRestaurantDto: UpdateRestaurantDto) {
-    return this.restaurantsService.update(+id, updateRestaurantDto);
+    return this.restaurantsService.update(id, updateRestaurantDto);
   }
 
   @Delete(':id')
diff --git a/src/modules/restaurants/restaurants.service.ts b/src/modules/restaurants/restaurants.service.ts
index bcb488a..f89867e 100644
--- a/src/modules/restaurants/restaurants.service.ts
+++ b/src/modules/restaurants/restaurants.service.ts
@@ -4,13 +4,12 @@ import { UpdateRestaurantDto } from './dto/update-restaurant.dto';
 import { Restaurant } from './entities/restaurant.entity';
 import { EntityManager } from '@mikro-orm/postgresql';
 import { RestRepository } from './repositories/rest.repository';
-import { InjectRepository } from '@mikro-orm/nestjs';
+import { RestMessage } from 'src/common/enums/message.enum';
 
 @Injectable()
 export class RestaurantsService {
   constructor(
     private readonly em: EntityManager,
-    @InjectRepository(Restaurant)
     private readonly restRepository: RestRepository,
   ) {}
 
@@ -38,8 +37,18 @@ export class RestaurantsService {
     return restaurant;
   }
 
-  update(id: number, updateRestaurantDto: UpdateRestaurantDto) {
-    return `This action updates a #${id} restaurant`;
+  async update(id: string, dto: UpdateRestaurantDto): Promise<Restaurant> {
+    const restaurant = await this.restRepository.findOne({ id });
+
+    if (!restaurant) {
+      throw new NotFoundException(RestMessage.NOT_FOUND);
+    }
+
+    this.restRepository.assign(restaurant, dto);
+
+    await this.em.persistAndFlush(restaurant);
+
+    return restaurant;
   }
 
   remove(id: number) {