diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50bd6d6..4a4e384 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how
 
 ## Unreleased
 
+### Changed
+
+- C# sample contract now provides scaffolding for a ContractUpdate method
+
 ## [2.1.45] - 2021-05-18
 
 ### Removed
diff --git a/resources/new-contract/csharp/$_CLASSNAME_$.cs.template.txt b/resources/new-contract/csharp/$_CLASSNAME_$.cs.template.txt
index 3ca1de0..483d0ae 100644
--- a/resources/new-contract/csharp/$_CLASSNAME_$.cs.template.txt
+++ b/resources/new-contract/csharp/$_CLASSNAME_$.cs.template.txt
@@ -2,7 +2,9 @@
 using System.ComponentModel;
 using System.Numerics;
 
+using Neo;
 using Neo.SmartContract.Framework;
+using Neo.SmartContract.Framework.Native;
 using Neo.SmartContract.Framework.Services;
 
 namespace $_CONTRACTNAME_$
@@ -13,10 +15,13 @@ namespace $_CONTRACTNAME_$
     [ManifestExtra("Description", "Describe your contract...")]
     public class $_CLASSNAME_$ : SmartContract
     {
-        const string MAP_NAME = "$_CLASSNAME_$";
+        private static StorageMap ContractStorage => new StorageMap(Storage.CurrentContext, "$_CLASSNAME_$");
+        private static StorageMap ContractMetadata => new StorageMap(Storage.CurrentContext, "Metadata");
+
+        private static Transaction Tx => (Transaction) Runtime.ScriptContainer;
 
         [DisplayName("NumberChanged")]
-        public static event Action<Neo.UInt160, BigInteger> OnNumberChanged;
+        public static event Action<UInt160, BigInteger> OnNumberChanged;
 
         public static bool ChangeNumber(BigInteger positiveNumber)
         {
@@ -25,24 +30,33 @@ namespace $_CONTRACTNAME_$
                 throw new Exception("Only positive numbers are allowed.");
             }
 
-            var tx = (Transaction) Runtime.ScriptContainer;
-
-            var storageMap = new StorageMap(Storage.CurrentContext, MAP_NAME);
-
-            storageMap.Put(tx.Sender, positiveNumber);
-
-            OnNumberChanged(tx.Sender, positiveNumber);
-
+            ContractStorage.Put(Tx.Sender, positiveNumber);
+            OnNumberChanged(Tx.Sender, positiveNumber);
             return true;
         }
 
-        public static ByteString GetNumber()
+        [DisplayName("_deploy")]
+        public static void Deploy(object data, bool update)
         {
-            var tx = (Transaction) Runtime.ScriptContainer;
+            if (!update)
+            {
+                ContractMetadata.Put("Owner", (ByteString) Tx.Sender);
+            }
+        }
 
-            var storageMap = new StorageMap(Storage.CurrentContext, MAP_NAME);
+        public static ByteString GetNumber()
+        {
+            return ContractStorage.Get(Tx.Sender);
+        }
 
-            return storageMap.Get(tx.Sender);
+        public static void UpdateContract(ByteString nefFile, string manifest)
+        {
+            ByteString owner = ContractMetadata.Get("Owner");
+            if (!Tx.Sender.Equals(owner))
+            {
+                throw new Exception("Only the contract owner can do this");
+            }
+            ContractManagement.Update(nefFile, manifest, null);
         }
     }
 }