diff --git a/Build/MQTTnet.AspNetCore.nuspec b/Build/MQTTnet.AspNetCore.nuspec
index 9b6166d..5ebaaff 100644
--- a/Build/MQTTnet.AspNetCore.nuspec
+++ b/Build/MQTTnet.AspNetCore.nuspec
@@ -14,7 +14,7 @@
     <copyright>Copyright Christian Kratky 2016-2019</copyright>
     <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags>
     <dependencies>
-      <dependency id="MQTTnet" version="3.0.0-alpha3" />
+      <dependency id="MQTTnet" version="$nugetVersion" />
 
       <dependency id="Microsoft.AspNetCore.Connections.Abstractions" version="2.1.3" />
       <dependency id="Microsoft.AspNetCore.WebSockets" version="2.1.1" />
diff --git a/Build/MQTTnet.Extensions.ManagedClient.nuspec b/Build/MQTTnet.Extensions.ManagedClient.nuspec
index 5c9c72e..9512e2e 100644
--- a/Build/MQTTnet.Extensions.ManagedClient.nuspec
+++ b/Build/MQTTnet.Extensions.ManagedClient.nuspec
@@ -14,7 +14,7 @@
     <copyright>Copyright Christian Kratky 2016-2019</copyright>
     <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
     <dependencies>
-      <dependency id="MQTTnet" version="3.0.0-alpha3" />
+      <dependency id="MQTTnet" version="$nugetVersion" />
     </dependencies>
   </metadata>
 
diff --git a/Build/MQTTnet.Extensions.Rpc.nuspec b/Build/MQTTnet.Extensions.Rpc.nuspec
index 71afde0..deffaf1 100644
--- a/Build/MQTTnet.Extensions.Rpc.nuspec
+++ b/Build/MQTTnet.Extensions.Rpc.nuspec
@@ -14,7 +14,7 @@
     <copyright>Copyright Christian Kratky 2016-2019</copyright>
     <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin</tags> 
     <dependencies>
-      <dependency id="MQTTnet" version="3.0.0-alpha3" />
+      <dependency id="MQTTnet" version="$nugetVersion" />
     </dependencies>
   </metadata>
 
diff --git a/Build/build.ps1 b/Build/build.ps1
index 79e56b7..0866b8b 100644
--- a/Build/build.ps1
+++ b/Build/build.ps1
@@ -39,13 +39,21 @@ if ($path) {
 
 	Remove-Item .\NuGet -Force -Recurse -ErrorAction SilentlyContinue
 
+    Copy-Item MQTTnet.AspNetCore.nuspec -Destination MQTTnet.AspNetCore.nuspec.old
 	(Get-Content MQTTnet.AspNetCore.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.AspNetCore.nuspec
-	(Get-Content MQTTnet.Extensions.Rpc.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.Rpc.nuspec
-	(Get-Content MQTTnet.Extensions.ManagedClient.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.ManagedClient.nuspec
+    Copy-Item MQTTnet.Extensions.Rpc.nuspec -Destination MQTTnet.Extensions.Rpc.nuspec.old
+    (Get-Content MQTTnet.Extensions.Rpc.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.Rpc.nuspec
+    Copy-Item MQTTnet.Extensions.ManagedClient.nuspec -Destination MQTTnet.Extensions.ManagedClient.nuspec.old
+    (Get-Content MQTTnet.Extensions.ManagedClient.nuspec) -replace '\$nugetVersion', $nugetVersion | Set-Content MQTTnet.Extensions.ManagedClient.nuspec
 	
 	New-Item -ItemType Directory -Force -Path .\NuGet
     .\nuget.exe pack MQTTnet.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+    .\nuget.exe pack MQTTnet.NETStandard.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
     .\nuget.exe pack MQTTnet.AspNetCore.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
 	.\nuget.exe pack MQTTnet.Extensions.Rpc.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
-	.\nuget.exe pack MQTTnet.Extensions.ManagedClient.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+    .\nuget.exe pack MQTTnet.Extensions.ManagedClient.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $nugetVersion
+    
+    Copy-Item MQTTnet.AspNetCore.nuspec.old -Destination MQTTnet.AspNetCore.nuspec
+    Copy-Item MQTTnet.Extensions.Rpc.nuspec.old -Destination MQTTnet.Extensions.Rpc.nuspec
+    Copy-Item MQTTnet.Extensions.ManagedClient.nuspec.old -Destination MQTTnet.Extensions.ManagedClient.nuspec
 }
\ No newline at end of file