diff --git a/src/_Authorization/Framework.Authorization.Domain/Permission.cs b/src/_Authorization/Framework.Authorization.Domain/Permission.cs
index fa85facf7..0489208bb 100644
--- a/src/_Authorization/Framework.Authorization.Domain/Permission.cs
+++ b/src/_Authorization/Framework.Authorization.Domain/Permission.cs
@@ -33,7 +33,7 @@ public class Permission : AuditPersistentDomainObjectBase,
 
     private Principal principal;
 
-    private readonly Permission? delegatedFrom;
+    private Permission? delegatedFrom;
 
     private BusinessRole role;
 
@@ -89,7 +89,11 @@ public Permission(Principal principal, Permission delegatedFrom)
     /// Пермиссия, от которой была делегирована данная пермиссия
     /// </summary>
     [CustomSerialization(CustomSerializationMode.Ignore)]
-    public virtual Permission? DelegatedFrom => this.delegatedFrom;
+    public virtual Permission? DelegatedFrom
+    {
+        get { return this.delegatedFrom; }
+        set { this.delegatedFrom = value; }
+    }
 
     /// <summary>
     /// Период действия пермиссии
diff --git a/src/__SolutionItems/CommonAssemblyInfo.cs b/src/__SolutionItems/CommonAssemblyInfo.cs
index d5f98c8f5..f64b6a5a8 100644
--- a/src/__SolutionItems/CommonAssemblyInfo.cs
+++ b/src/__SolutionItems/CommonAssemblyInfo.cs
@@ -4,9 +4,9 @@
 [assembly: AssemblyCompany("Luxoft")]
 [assembly: AssemblyCopyright("Copyright © Luxoft 2009-2026")]
 
-[assembly: AssemblyVersion("25.4.8.0")]
-[assembly: AssemblyFileVersion("25.4.8.0")]
-[assembly: AssemblyInformationalVersion("25.4.8.0")]
+[assembly: AssemblyVersion("25.4.9.0")]
+[assembly: AssemblyFileVersion("25.4.9.0")]
+[assembly: AssemblyInformationalVersion("25.4.9.0")]
 
 #if DEBUG
 [assembly: AssemblyConfiguration("Debug")]