diff --git a/src/Portalum.Zvt/Portalum.Zvt.csproj b/src/Portalum.Zvt/Portalum.Zvt.csproj
index de384ac..9ce5a64 100644
--- a/src/Portalum.Zvt/Portalum.Zvt.csproj
+++ b/src/Portalum.Zvt/Portalum.Zvt.csproj
@@ -17,14 +17,14 @@
 
     <RepositoryUrl>https://github.com/Portalum/Portalum.Zvt</RepositoryUrl>
 
-    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net6</TargetFrameworks>
 
-    <Version>2.9.1</Version>
+    <Version>2.10.0</Version>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.0" />
-    <PackageReference Include="SuperSimpleTcp" Version="2.6.0.0" />
+    <PackageReference Include="Nager.TcpClient" Version="1.0.3" />
     <PackageReference Include="System.IO.Ports" Version="6.0.0" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="6.0.0" />
   </ItemGroup>
diff --git a/src/Portalum.Zvt/TcpNetworkDeviceCommunication.cs b/src/Portalum.Zvt/TcpNetworkDeviceCommunication.cs
index f9b4485..a85a314 100644
--- a/src/Portalum.Zvt/TcpNetworkDeviceCommunication.cs
+++ b/src/Portalum.Zvt/TcpNetworkDeviceCommunication.cs
@@ -1,5 +1,5 @@
 using Microsoft.Extensions.Logging;
-using SuperSimpleTcp;
+using Nager.TcpClient;
 using System;
 using System.Threading;
 using System.Threading.Tasks;
@@ -12,7 +12,8 @@ namespace Portalum.Zvt
     public class TcpNetworkDeviceCommunication : IDeviceCommunication, IDisposable
     {
         private readonly string _ipAddress;
-        private readonly SimpleTcpClient _simpleTcpClient;
+        private readonly int _port;
+        private readonly TcpClient _tcpClient;
         private readonly ILogger<TcpNetworkDeviceCommunication> _logger;
 
         /// <inheritdoc />
@@ -38,22 +39,27 @@ public TcpNetworkDeviceCommunication(
             ILogger<TcpNetworkDeviceCommunication> logger = default)
         {
             this._ipAddress = ipAddress;
-
-            this._simpleTcpClient = new SimpleTcpClient(ipAddress, port);
-            this._simpleTcpClient.Events.DataReceived += this.Receive;
-            this._simpleTcpClient.Events.Connected += this.Connected;
-            this._simpleTcpClient.Events.Disconnected += this.Disconnected;
+            this._port = port;
 
             if (enableKeepAlive)
             {
-                this._simpleTcpClient.Keepalive = new SimpleTcpKeepaliveSettings
+                var keepAliveConfig = new TcpClientKeepAliveConfig
                 {
-                    EnableTcpKeepAlives = true,
-                    TcpKeepAliveTime = 2,
-                    TcpKeepAliveInterval = 2,
-                    TcpKeepAliveRetryCount = 1
+                    KeepAliveTime = 2,
+                    KeepAliveInterval = 2,
+                    KeepAliveRetryCount = 1
                 };
+
+                this._tcpClient = new TcpClient(keepAliveConfig: keepAliveConfig);
+            }
+            else
+            {
+                this._tcpClient = new TcpClient();
             }
+            
+            this._tcpClient.DataReceived += this.Receive;
+            this._tcpClient.Connected += this.Connected;
+            this._tcpClient.Disconnected += this.Disconnected;
 
             this._logger = logger;
         }
@@ -70,28 +76,28 @@ protected virtual void Dispose(bool disposing)
             // Check to see if Dispose has already been called.
             if (disposing)
             {
-                if (this._simpleTcpClient == null)
+                if (this._tcpClient == null)
                 {
                     return;
                 }
 
-                this._simpleTcpClient.Events.DataReceived -= this.Receive;
-                this._simpleTcpClient.Events.Connected -= this.Connected;
-                this._simpleTcpClient.Events.Disconnected -= this.Disconnected;
+                this._tcpClient.DataReceived -= this.Receive;
+                this._tcpClient.Connected -= this.Connected;
+                this._tcpClient.Disconnected -= this.Disconnected;
 
-                if (this._simpleTcpClient.IsConnected)
+                if (this._tcpClient.IsConnected)
                 {
-                    this._simpleTcpClient.Disconnect();
+                    this._tcpClient.Disconnect();
                 }
 
-                this._simpleTcpClient.Dispose();
+                this._tcpClient.Dispose();
             }
         }
 
         /// <inheritdoc />
         public bool IsConnected
         {
-            get { return this._simpleTcpClient.IsConnected; }
+            get { return this._tcpClient.IsConnected; }
         }
 
         /// <inheritdoc />
@@ -101,20 +107,26 @@ public string ConnectionIdentifier
         }
 
         /// <inheritdoc />
-        public Task<bool> ConnectAsync(CancellationToken cancellationToken = default)
+        public async Task<bool> ConnectAsync(CancellationToken cancellationToken = default)
         {
             try
             {
                 this._logger?.LogInformation($"{nameof(ConnectAsync)}");
-                this._simpleTcpClient.Connect();
-                return Task.FromResult(true);
+
+#if NET6_0_OR_GREATER
+                await this._tcpClient.ConnectAsync(this._ipAddress, this._port, cancellationToken);
+#else
+                await this._tcpClient.ConnectAsync(this._ipAddress, this._port);
+#endif
+
+                return true;
             }
             catch (Exception exception)
             {
                 this._logger?.LogError($"{nameof(ConnectAsync)} - {exception}");
             }
 
-            return Task.FromResult(false);
+            return false;
         }
 
         /// <inheritdoc />
@@ -123,7 +135,7 @@ public Task<bool> DisconnectAsync(CancellationToken cancellationToken = default)
             try
             {
                 this._logger?.LogInformation($"{nameof(DisconnectAsync)}");
-                this._simpleTcpClient.Disconnect();
+                this._tcpClient.Disconnect();
                 return Task.FromResult(true);
             }
             catch (Exception exception)
@@ -134,33 +146,33 @@ public Task<bool> DisconnectAsync(CancellationToken cancellationToken = default)
             return Task.FromResult(false);
         }
 
-        private void Connected(object sender, ConnectionEventArgs e)
+        private void Connected()
         {
-            this._logger?.LogInformation($"{nameof(Connected)} {e.IpPort}");
+            this._logger?.LogInformation($"{nameof(Connected)}");
 
             this.ConnectionStateChanged?.Invoke(ConnectionState.Connected);
         }
 
-        private void Disconnected(object sender, ConnectionEventArgs e)
+        private void Disconnected()
         {
-            this._logger?.LogInformation($"{nameof(Disconnected)} {e.IpPort} {e.Reason}");
+            this._logger?.LogInformation($"{nameof(Disconnected)}");
 
             this.ConnectionStateChanged?.Invoke(ConnectionState.Disconnected);
         }
 
+        private void Receive(byte[] data)
+        {
+            this._logger?.LogDebug($"{nameof(Receive)} - {BitConverter.ToString(data)}");
+            this.DataReceived?.Invoke(data);
+        }
+
         /// <inheritdoc />
         public async Task SendAsync(byte[] data)
         {
             this.DataSent?.Invoke(data);
 
             this._logger?.LogDebug($"{nameof(SendAsync)} - {BitConverter.ToString(data)}");
-            await this._simpleTcpClient.SendAsync(data);
-        }
-
-        private void Receive(object sender, DataReceivedEventArgs e)
-        {
-            this._logger?.LogDebug($"{nameof(Receive)} - {BitConverter.ToString(e.Data)}");
-            this.DataReceived?.Invoke(e.Data);
+            await this._tcpClient.SendAsync(data);
         }
     }
 }