diff --git a/Apps/WeightedRoundRobinApp/Address.cs b/Apps/WeightedRoundRobinApp/Address.cs
index d44148dc..435b5294 100644
--- a/Apps/WeightedRoundRobinApp/Address.cs
+++ b/Apps/WeightedRoundRobinApp/Address.cs
@@ -1,6 +1,6 @@
 /*
 Technitium DNS Server
-Copyright (C) 2023  Shreyas Zare (shreyas@technitium.com)
+Copyright (C) 2024  Shreyas Zare (shreyas@technitium.com)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -29,7 +29,7 @@ using TechnitiumLibrary.Net.Dns.ResourceRecords;
 
 namespace WeightedRoundRobin
 {
-    public class Address : IDnsApplication, IDnsAppRecordRequestHandler
+    public sealed class Address : IDnsApplication, IDnsAppRecordRequestHandler
     {
         #region IDisposable
 
diff --git a/Apps/WeightedRoundRobinApp/CNAME.cs b/Apps/WeightedRoundRobinApp/CNAME.cs
index 1989f6da..ac0a351b 100644
--- a/Apps/WeightedRoundRobinApp/CNAME.cs
+++ b/Apps/WeightedRoundRobinApp/CNAME.cs
@@ -1,6 +1,6 @@
 /*
 Technitium DNS Server
-Copyright (C) 2023  Shreyas Zare (shreyas@technitium.com)
+Copyright (C) 2024  Shreyas Zare (shreyas@technitium.com)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -29,7 +29,7 @@ using TechnitiumLibrary.Net.Dns.ResourceRecords;
 
 namespace WeightedRoundRobin
 {
-    public class CNAME : IDnsApplication, IDnsAppRecordRequestHandler
+    public sealed class CNAME : IDnsApplication, IDnsAppRecordRequestHandler
     {
         #region IDisposable