diff --git a/src/Atc.Network/Tcp/TcpClient.cs b/src/Atc.Network/Tcp/TcpClient.cs
index 1079658..5345e51 100644
--- a/src/Atc.Network/Tcp/TcpClient.cs
+++ b/src/Atc.Network/Tcp/TcpClient.cs
@@ -360,6 +360,8 @@ protected virtual void Dispose(
 
         DisposeCancellationTokenAndTask();
         DisposeTcpClientAndStream();
+
+        syncLock.Dispose();
     }
 
     private void InvokeConnected()
@@ -822,8 +824,6 @@ private void DisposeTcpClientAndStream()
             tcpClient.Dispose();
             tcpClient = null;
         }
-
-        syncLock.Dispose();
     }
 
     private void CancellationTokenCallback()
diff --git a/src/Atc.Network/Udp/UdpClient.cs b/src/Atc.Network/Udp/UdpClient.cs
index 3083481..6e95b40 100644
--- a/src/Atc.Network/Udp/UdpClient.cs
+++ b/src/Atc.Network/Udp/UdpClient.cs
@@ -256,6 +256,8 @@ protected virtual void Dispose(
 
         DisposeCancellationTokenAndTask();
         DisposeSocket();
+
+        syncLock.Dispose();
     }
 
     private void InvokeConnected()
@@ -548,7 +550,5 @@ private void DisposeSocket()
             socket.Dispose();
             socket = null;
         }
-
-        syncLock.Dispose();
     }
 }
\ No newline at end of file