version 2.4.1.473
diff --git a/src/AddressBook/AddressBookProtos.cs b/src/AddressBook/AddressBookProtos.cs
index 7fc1c64..313234f 100644
--- a/src/AddressBook/AddressBookProtos.cs
+++ b/src/AddressBook/AddressBookProtos.cs
@@ -1,4 +1,4 @@
-// Generated by ProtoGen, Version=2.3.0.277, Culture=neutral, PublicKeyToken=17b3b1f090c3ea48.  DO NOT EDIT!

+// Generated by ProtoGen, Version=2.4.1.473, Culture=neutral, PublicKeyToken=55f7125234beb589.  DO NOT EDIT!

 #pragma warning disable 1591, 0612

 #region Designer generated code

 

@@ -10,7 +10,7 @@
   

   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public static partial class AddressBookProtos {

   

     #region Extension registration

@@ -66,7 +66,7 @@
   #region Messages

   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public sealed partial class Person : pb::GeneratedMessage<Person, Person.Builder> {

     private Person() { }

     private static readonly Person defaultInstance = new Person().MakeReadOnly();

@@ -95,10 +95,10 @@
     #region Nested types

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public static class Types {

       [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-      [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+      [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

       public enum PhoneType {

         MOBILE = 0,

         HOME = 1,

@@ -107,7 +107,7 @@
       

       [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

       [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-      [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+      [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

       public sealed partial class PhoneNumber : pb::GeneratedMessage<PhoneNumber, PhoneNumber.Builder> {

         private PhoneNumber() { }

         private static readonly PhoneNumber defaultInstance = new PhoneNumber().MakeReadOnly();

@@ -234,7 +234,7 @@
         

         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

         [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

         public sealed partial class Builder : pb::GeneratedBuilder<PhoneNumber, Builder> {

           protected override Builder ThisBuilder {

             get { return this; }

@@ -575,7 +575,7 @@
     

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public sealed partial class Builder : pb::GeneratedBuilder<Person, Builder> {

       protected override Builder ThisBuilder {

         get { return this; }

@@ -846,7 +846,7 @@
   

   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public sealed partial class AddressBook : pb::GeneratedMessage<AddressBook, AddressBook.Builder> {

     private AddressBook() { }

     private static readonly AddressBook defaultInstance = new AddressBook().MakeReadOnly();

@@ -962,7 +962,7 @@
     

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public sealed partial class Builder : pb::GeneratedBuilder<AddressBook, Builder> {

       protected override Builder ThisBuilder {

         get { return this; }