--- a/Implab.ServiceHost/Unity/SingletonLifetimeElement.cs	Thu May 03 09:59:44 2018 +0300
+++ b/Implab.ServiceHost/Unity/SingletonLifetimeElement.cs	Fri May 04 18:12:42 2018 +0300
@@ -1,8 +1,10 @@
+using Unity.Lifetime;
+
 namespace Implab.ServiceHost.Unity
 {
     public class SingletonLifetimeElement : LifetimeElement {
-        public override void Visit(RegistrationBuilder builder) {
-            builder.Visit(this);
+        public override LifetimeManager GetLifetime(ContainerBuilder builder) {
+            return new SingletonLifetimeManager();
         }
     }
 }
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