diff --git a/package-lock.json b/package-lock.json
index e8491470..7bf50d0f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -125,7 +125,7 @@
         "zone.js": "0.11.5"
       },
       "engines": {
-        "node": ">=14.14 <16.0"
+        "node": ">=16 <17.0"
       },
       "optionalDependencies": {
         "ffmpeg-static": "5.0.0",
diff --git a/src/backend/middlewares/user/UserRequestConstrainsMWs.ts b/src/backend/middlewares/user/UserRequestConstrainsMWs.ts
index c87b60a7..338a9f63 100644
--- a/src/backend/middlewares/user/UserRequestConstrainsMWs.ts
+++ b/src/backend/middlewares/user/UserRequestConstrainsMWs.ts
@@ -1,4 +1,5 @@
 import {NextFunction, Request, Response} from 'express';
+import { MoreThanOrEqual } from 'typeorm';
 import {ErrorCodes, ErrorDTO} from '../../../common/entities/Error';
 import {UserRoles} from '../../../common/entities/UserDTO';
 import {ObjectManagers} from '../../model/ObjectManagers';
@@ -40,7 +41,7 @@ export class UserRequestConstrainsMWs {
 
     // TODO: fix it!
     try {
-      const result = await ObjectManagers.getInstance().UserManager.find({minRole: UserRoles.Admin});
+      const result = await ObjectManagers.getInstance().UserManager.find({role: MoreThanOrEqual(UserRoles.Admin)});
       if (result.length <= 1) {
         return next(new ErrorDTO(ErrorCodes.GENERAL_ERROR));
       }
diff --git a/src/backend/model/database/sql/UserManager.ts b/src/backend/model/database/sql/UserManager.ts
index ea6cdb36..088f5f91 100644
--- a/src/backend/model/database/sql/UserManager.ts
+++ b/src/backend/model/database/sql/UserManager.ts
@@ -25,9 +25,9 @@ export class UserManager implements IUserManager {
 
   }
 
-  public async find(filter: any): Promise<any> {
+  public async find(filter: FindOptionsWhere<UserDTO>): Promise<any> {
     const connection = await SQLConnection.getConnection();
-    return await connection.getRepository(UserEntity).find(filter);
+    return await connection.getRepository(UserEntity).findBy(filter);
   }
 
   public async createUser(user: UserDTO): Promise<any> {