diff --git a/neo-cli/CLI/MainService.Contracts.cs b/neo-cli/CLI/MainService.Contracts.cs
index 1d411108f..ab12639ce 100644
--- a/neo-cli/CLI/MainService.Contracts.cs
+++ b/neo-cli/CLI/MainService.Contracts.cs
@@ -1,6 +1,7 @@
 using Neo.ConsoleService;
 using Neo.IO.Json;
 using Neo.Network.P2P.Payloads;
+using Neo.SmartContract;
 using Neo.SmartContract.Native;
 using System;
 using System.Linq;
@@ -35,11 +36,82 @@ private void OnDeployCommand(string filePath, string manifestPath = null)
             UInt160 hash = SmartContract.Helper.GetContractHash(tx.Sender, nef.CheckSum, manifest.Name);
 
             Console.WriteLine($"Contract hash: {hash}");
-            Console.WriteLine($"Gas: {new BigDecimal((BigInteger)tx.SystemFee, NativeContract.GAS.Decimals)}");
-            Console.WriteLine();
+            Console.WriteLine($"Gas consumed: {new BigDecimal((BigInteger)tx.SystemFee, NativeContract.GAS.Decimals)}");
+            Console.WriteLine($"Network fee: {new BigDecimal((BigInteger)tx.NetworkFee, NativeContract.GAS.Decimals)}");
+            Console.WriteLine($"Total fee: {new BigDecimal((BigInteger)(tx.SystemFee + tx.NetworkFee), NativeContract.GAS.Decimals)} GAS");
+            if (!ReadUserInput("Relay tx? (no|yes)").IsYes()) // Add this in case just want to get hash but not relay
+            {
+                return;
+            }
             SignAndSendTx(NeoSystem.StoreView, tx);
         }
 
+        /// <summary>
+        /// Process "update" command
+        /// </summary>
+        /// <param name="filePath">File path</param>
+        /// <param name="manifestPath">Manifest path</param>
+        [ConsoleCommand("update", Category = "Contract Commands")]
+        private void OnUpdateCommand(UInt160 scriptHash, string filePath, string manifestPath, UInt160 sender, UInt160[] signerAccounts = null)
+        {
+            Signer[] signers = Array.Empty<Signer>();
+
+            if (NoWallet()) return;
+            if (!NoWallet() && sender != null)
+            {
+                if (signerAccounts == null)
+                    signerAccounts = new UInt160[1] { sender };
+                else if (signerAccounts.Contains(sender) && signerAccounts[0] != sender)
+                {
+                    var signersList = signerAccounts.ToList();
+                    signersList.Remove(sender);
+                    signerAccounts = signersList.Prepend(sender).ToArray();
+                }
+                else if (!signerAccounts.Contains(sender))
+                {
+                    signerAccounts = signerAccounts.Prepend(sender).ToArray();
+                }
+                signers = signerAccounts.Select(p => new Signer() { Account = p, Scopes = WitnessScope.CalledByEntry }).ToArray();
+            }
+
+            Transaction tx = new Transaction
+            {
+                Signers = signers,
+                Attributes = Array.Empty<TransactionAttribute>(),
+                Witnesses = Array.Empty<Witness>()
+            };
+
+            try
+            {
+                byte[] script = LoadUpdateScript(scriptHash, filePath, manifestPath, out var nef, out var manifest);
+                tx = CurrentWallet.MakeTransaction(NeoSystem.StoreView, script, sender, signers);
+            }
+            catch (InvalidOperationException e)
+            {
+                Console.WriteLine("Error: " + GetExceptionMessage(e));
+                return;
+            }
+
+            ContractState contract = NativeContract.ContractManagement.GetContract(NeoSystem.StoreView, scriptHash);
+            if (contract == null)
+            {
+                Console.WriteLine($"Can't upgrade, contract hash not exist: {scriptHash}");
+            }
+            else
+            {
+                Console.WriteLine($"Contract hash: {scriptHash}");
+                Console.WriteLine($"Updated times: {contract.UpdateCounter}");
+                Console.WriteLine($"Gas consumed: {new BigDecimal((BigInteger)tx.SystemFee, NativeContract.GAS.Decimals)}");
+                Console.WriteLine($"Network fee: {new BigDecimal((BigInteger)tx.NetworkFee, NativeContract.GAS.Decimals)}");
+                Console.WriteLine($"Total fee: {new BigDecimal((BigInteger)(tx.SystemFee + tx.NetworkFee), NativeContract.GAS.Decimals)} GAS");
+                if (!ReadUserInput("Relay tx? (no|yes)").IsYes()) // Add this in case just want to get hash but not relay
+                {
+                    return;
+                }
+                SignAndSendTx(NeoSystem.StoreView, tx);
+            }
+        }
+
         /// <summary>
         /// Process "invoke" command
         /// </summary>
@@ -90,7 +162,9 @@ private void OnInvokeCommand(UInt160 scriptHash, string operation, JArray contra
                 Console.WriteLine("Error: " + GetExceptionMessage(e));
                 return;
             }
-            if (!ReadUserInput("Relay tx(no|yes)").IsYes())
+            Console.WriteLine($"Network fee: {new BigDecimal((BigInteger)tx.NetworkFee, NativeContract.GAS.Decimals)}");
+            Console.WriteLine($"Total fee: {new BigDecimal((BigInteger)(tx.SystemFee + tx.NetworkFee), NativeContract.GAS.Decimals)} GAS");
+            if (!ReadUserInput("Relay tx? (no|yes)").IsYes())
             {
                 return;
             }
diff --git a/neo-cli/CLI/MainService.cs b/neo-cli/CLI/MainService.cs
index 7a9b217a8..87dc2f024 100644
--- a/neo-cli/CLI/MainService.cs
+++ b/neo-cli/CLI/MainService.cs
@@ -279,6 +279,60 @@ private byte[] LoadDeploymentScript(string nefFilePath, string manifestFilePath,
             }
         }
 
+        private byte[] LoadUpdateScript(UInt160 scriptHash, string nefFilePath, string manifestFilePath, out NefFile nef, out ContractManifest manifest)
+        {
+            if (string.IsNullOrEmpty(manifestFilePath))
+            {
+                manifestFilePath = Path.ChangeExtension(nefFilePath, ".manifest.json");
+            }
+
+            // Read manifest
+
+            var info = new FileInfo(manifestFilePath);
+            if (!info.Exists || info.Length >= Transaction.MaxTransactionSize)
+            {
+                throw new ArgumentException(nameof(manifestFilePath));
+            }
+
+            manifest = ContractManifest.Parse(File.ReadAllBytes(manifestFilePath));
+
+            // Read nef
+
+            info = new FileInfo(nefFilePath);
+            if (!info.Exists || info.Length >= Transaction.MaxTransactionSize)
+            {
+                throw new ArgumentException(nameof(nefFilePath));
+            }
+
+            using (var stream = new BinaryReader(File.OpenRead(nefFilePath), Utility.StrictUTF8, false))
+            {
+                nef = stream.ReadSerializable<NefFile>();
+            }
+
+            // Basic script checks
+
+            Script script = new Script(nef.Script);
+            for (var i = 0; i < script.Length;)
+            {
+                // Check bad opcodes
+
+                Instruction inst = script.GetInstruction(i);
+                if (inst is null || !Enum.IsDefined(typeof(OpCode), inst.OpCode))
+                {
+                    throw new FormatException($"OpCode not found at {i}-{((byte)inst.OpCode).ToString("x2")}");
+                }
+                i += inst.Size;
+            }
+
+            // Build script
+
+            using (ScriptBuilder sb = new ScriptBuilder())
+            {
+                sb.EmitDynamicCall(scriptHash, "update", nef.ToArray(), manifest.ToJson().ToString());
+                return sb.ToArray();
+            }
+        }
+
         public override void OnStart(string[] args)
         {
             base.OnStart(args);
diff --git a/neo-cli/neo-cli.csproj b/neo-cli/neo-cli.csproj
index 52d94287e..46accbdee 100644
--- a/neo-cli/neo-cli.csproj
+++ b/neo-cli/neo-cli.csproj
@@ -23,7 +23,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Neo" Version="3.0.0-CI01257" />
+    <PackageReference Include="Neo" Version="3.0.0-CI01271" />
   </ItemGroup>
 
   <ItemGroup>