diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ee49d4b5..dfe256aa 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -67,6 +67,14 @@ jobs:
       - name: "Dotnet Cake Pack"
         run: dotnet cake --target=Pack
         shell: pwsh
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4.1.6
+
       - name: Push to NuGet
         if: github.event_name == 'release'
         run: dotnet nuget push ./Artifacts/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+        shell: pwsh
diff --git a/Source/HiveMQtt/Client/HiveMQClient.cs b/Source/HiveMQtt/Client/HiveMQClient.cs
index 9542b751..eeee4d27 100644
--- a/Source/HiveMQtt/Client/HiveMQClient.cs
+++ b/Source/HiveMQtt/Client/HiveMQClient.cs
@@ -503,7 +503,7 @@ private async Task<bool> HandleDisconnectionAsync(bool clean = true)
 
         // Cancel all background tasks and close the socket
         this.ConnectState = ConnectState.Disconnected;
-        await this.cancellationTokenSource.CancelAsync().ConfigureAwait(false);
+        this.cancellationTokenSource.Cancel();
         this.CloseSocket();
 
         if (clean)
diff --git a/Source/HiveMQtt/Client/HiveMQClientEvents.cs b/Source/HiveMQtt/Client/HiveMQClientEvents.cs
index 44f8d402..3c459b07 100644
--- a/Source/HiveMQtt/Client/HiveMQClientEvents.cs
+++ b/Source/HiveMQtt/Client/HiveMQClientEvents.cs
@@ -45,7 +45,7 @@ protected virtual void BeforeConnectEventLauncher(HiveMQClientOptions options)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("BeforeConnectEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("BeforeConnectEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -68,7 +68,7 @@ protected virtual void AfterConnectEventLauncher(ConnectResult results)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("AfterConnectEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("AfterConnectEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -91,7 +91,7 @@ protected virtual void BeforeDisconnectEventLauncher()
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("BeforeDisconnectEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("BeforeDisconnectEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -114,7 +114,7 @@ protected virtual void AfterDisconnectEventLauncher(bool clean = false)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("AfterDisconnectEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("AfterDisconnectEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -137,7 +137,7 @@ protected virtual void BeforeSubscribeEventLauncher(SubscribeOptions options)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("BeforeSubscribeEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("BeforeSubscribeEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -160,7 +160,7 @@ protected virtual void AfterSubscribeEventLauncher(SubscribeResult results)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("AfterSubscribeEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("AfterSubscribeEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -183,7 +183,7 @@ protected virtual void BeforeUnsubscribeEventLauncher(List<Subscription> subscri
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("BeforeUnsubscribeEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("BeforeUnsubscribeEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -206,7 +206,7 @@ protected virtual void AfterUnsubscribeEventLauncher(UnsubscribeResult results)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("AfterUnsubscribeEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("AfterUnsubscribeEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -233,7 +233,7 @@ protected virtual void OnMessageReceivedEventLauncher(PublishPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnMessageReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnMessageReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -254,7 +254,7 @@ protected virtual void OnMessageReceivedEventLauncher(PublishPacket packet)
                         {
                             if (t.IsFaulted)
                             {
-                                Logger.Error($"per-subscription MessageReceivedEventLauncher faulted ({packet.Message.Topic}): " + t.Exception.Message);
+                                Logger.Error($"per-subscription MessageReceivedEventLauncher faulted ({packet.Message.Topic}): " + t.Exception?.Message);
                             }
                         },
                         TaskScheduler.Default);
@@ -293,7 +293,7 @@ protected virtual void OnConnectSentEventLauncher(ConnectPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnConnectSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnConnectSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -316,7 +316,7 @@ protected virtual void OnConnAckReceivedEventLauncher(ConnAckPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnConnAckReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnConnAckReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -339,7 +339,7 @@ protected virtual void OnDisconnectSentEventLauncher(DisconnectPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnDisconnectSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnDisconnectSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -362,7 +362,7 @@ protected virtual void OnDisconnectReceivedEventLauncher(DisconnectPacket packet
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnDisconnectReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnDisconnectReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -385,7 +385,7 @@ protected virtual void OnPingReqSentEventLauncher(PingReqPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPingReqSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPingReqSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -408,7 +408,7 @@ protected virtual void OnPingRespReceivedEventLauncher(PingRespPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPingRespReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPingRespReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -431,7 +431,7 @@ protected virtual void OnSubscribeSentEventLauncher(SubscribePacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnSubscribeSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnSubscribeSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -454,7 +454,7 @@ protected virtual void OnSubAckReceivedEventLauncher(SubAckPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnSubAckReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnSubAckReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -477,7 +477,7 @@ protected virtual void OnUnsubscribeSentEventLauncher(UnsubscribePacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnUnsubscribeSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnUnsubscribeSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -500,7 +500,7 @@ protected virtual void OnUnsubAckReceivedEventLauncher(UnsubAckPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnUnsubAckReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnUnsubAckReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -523,7 +523,7 @@ protected virtual void OnPublishReceivedEventLauncher(PublishPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPublishReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPublishReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -546,7 +546,7 @@ protected virtual void OnPublishSentEventLauncher(PublishPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPublishSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPublishSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -569,7 +569,7 @@ protected virtual void OnPubAckReceivedEventLauncher(PubAckPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPubAckReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPubAckReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -592,7 +592,7 @@ protected virtual void OnPubAckSentEventLauncher(PubAckPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPubAckSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPubAckSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -615,7 +615,7 @@ protected virtual void OnPubRecReceivedEventLauncher(PubRecPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPubRecReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPubRecReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -638,7 +638,7 @@ protected virtual void OnPubRecSentEventLauncher(PubRecPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPubRecSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPubRecSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -661,7 +661,7 @@ protected virtual void OnPubRelReceivedEventLauncher(PubRelPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPubRelReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPubRelReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -684,7 +684,7 @@ protected virtual void OnPubRelSentEventLauncher(PubRelPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("OnPubRelSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("OnPubRelSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -707,7 +707,7 @@ protected virtual void OnPubCompReceivedEventLauncher(PubCompPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("PubCompReceivedEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("PubCompReceivedEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
@@ -730,7 +730,7 @@ protected virtual void OnPubCompSentEventLauncher(PubCompPacket packet)
                 {
                     if (t.IsFaulted)
                     {
-                        Logger.Error("PubCompSentEventLauncher exception: " + t.Exception.Message);
+                        Logger.Error("PubCompSentEventLauncher exception: " + t.Exception?.Message);
                     }
                 },
                 TaskScheduler.Default);
diff --git a/Source/HiveMQtt/HiveMQtt.csproj b/Source/HiveMQtt/HiveMQtt.csproj
index 4ae07516..7e9e30bc 100644
--- a/Source/HiveMQtt/HiveMQtt.csproj
+++ b/Source/HiveMQtt/HiveMQtt.csproj
@@ -1,11 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup Label="Build">
-    <TargetFramework>net8.0</TargetFramework>
     <AssemblyName>HiveMQtt</AssemblyName>
     <Description>The HiveMQ MQTT Client is a MQTT 5.0 compatible C# library.</Description>
   </PropertyGroup>
 
+  <PropertyGroup>
+    <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+  </PropertyGroup>
+
   <PropertyGroup>
     <MinVerTagPrefix>v</MinVerTagPrefix>
   </PropertyGroup>