diff --git a/LawFirm/LawFirmBusinessLogic/BusinessLogics/OrderLogic.cs b/LawFirm/LawFirmBusinessLogic/BusinessLogics/OrderLogic.cs
index fd884b1..7936fc9 100644
--- a/LawFirm/LawFirmBusinessLogic/BusinessLogics/OrderLogic.cs
+++ b/LawFirm/LawFirmBusinessLogic/BusinessLogics/OrderLogic.cs
@@ -14,6 +14,7 @@ namespace LawFirmBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
+        static readonly object _locker = new object();
         public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
         {
             _logger = logger;
@@ -79,7 +80,10 @@ namespace LawFirmBusinessLogic.BusinessLogics
         }
         public bool TakeOrderInWork(OrderBindingModel model)
         {
-            return StatusUpdate(model, OrderStatus.Выполняется);
+            lock (_locker)
+            {
+                return StatusUpdate(model, OrderStatus.Выполняется);
+            }
         }
         public List<OrderViewModel>? ReadList(OrderSearchModel? model)
         {