diff --git a/CarCenter/CarCenterDataModels/Models/IStorekeeperModel.cs b/CarCenter/CarCenterDataModels/Models/IStorekeeperModel.cs
index 66a6db7..df94631 100644
--- a/CarCenter/CarCenterDataModels/Models/IStorekeeperModel.cs
+++ b/CarCenter/CarCenterDataModels/Models/IStorekeeperModel.cs
@@ -13,7 +13,7 @@ namespace CarCenterDataModels.Models
 		string? Patronymic { get; }
 		string Password { get; }
 		string Email { get; }
-		int PhoneNumber { get; }
+		long PhoneNumber { get; }
 
 	}
 }