diff --git a/Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs b/Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs
index 0607d93..50310be 100644
--- a/Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs
+++ b/Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs
@@ -252,6 +252,7 @@ namespace MQTTnet.Extensions.ManagedClient
                 _maintainConnectionTask = null;
             }
 
+            _messageQueue.Dispose();
             _messageQueueLock.Dispose();
             _mqttClient.Dispose();
         }
diff --git a/Source/MQTTnet/Internal/BlockingQueue.cs b/Source/MQTTnet/Internal/BlockingQueue.cs
index 871c40a..6225105 100644
--- a/Source/MQTTnet/Internal/BlockingQueue.cs
+++ b/Source/MQTTnet/Internal/BlockingQueue.cs
@@ -4,7 +4,7 @@ using System.Threading;
 
 namespace MQTTnet.Internal
 {
-    public class BlockingQueue<TItem>
+    public class BlockingQueue<TItem> : IDisposable
     {
         private readonly object _syncRoot = new object();
         private readonly LinkedList<TItem> _items = new LinkedList<TItem>();
@@ -108,5 +108,10 @@ namespace MQTTnet.Internal
                 _items.Clear();
             }
         }
+
+        public void Dispose()
+        {
+            _gate.Dispose();
+        }
     }
 }