diff --git a/Build/build.ps1 b/Build/build.ps1
new file mode 100644
index 0000000..322a2c8
--- /dev/null
+++ b/Build/build.ps1
@@ -0,0 +1,14 @@
+param([string]$version)
+
+if ([string]::IsNullOrEmpty($version)) {$version = "0.0.1"}
+
+$msbuild = "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Bin\MSBuild.exe"
+&$msbuild ..\Frameworks\MQTTnet.NetFramework\MQTTnet.NetFramework.csproj /t:Build /p:Configuration="Release"
+&$msbuild ..\Frameworks\MQTTnet.Netstandard\MQTTnet.Netstandard.csproj /t:Build /p:Configuration="Release"
+&$msbuild ..\Frameworks\MQTTnet.UniversalWindows\MQTTnet.UniversalWindows.csproj /t:Build /p:Configuration="Release"
+
+
+
+Remove-Item .\NuGet -Force -Recurse
+New-Item -ItemType Directory -Force -Path .\NuGet
+NuGet.exe pack MQTTnet.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $version
\ No newline at end of file
diff --git a/Frameworks/MQTTnet.NetCoreApp/MQTTnet.NetCoreApp.csproj b/Frameworks/MQTTnet.NetCoreApp/MQTTnet.NetCoreApp.csproj
deleted file mode 100644
index 5bc9e6d..0000000
--- a/Frameworks/MQTTnet.NetCoreApp/MQTTnet.NetCoreApp.csproj
+++ /dev/null
@@ -1,45 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netcoreapp1.1</TargetFramework>
-    <Authors>Christian Kratky</Authors>
-    <Company>Christian Kratky</Company>
-    <Product>MQTTnet</Product>
-    <Description>MQTTnet is a .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker).</Description>
-    <Copyright>Copyright © Christian Kratky 2016-2017</Copyright>
-    <Version>2.1.1.0</Version>
-    <AssemblyVersion>2.1.1.0</AssemblyVersion>
-    <FileVersion>2.1.1.0</FileVersion>
-    <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
-    <AssemblyName>MQTTnet</AssemblyName>
-    <RootNamespace>MQTTnet</RootNamespace>
-    <PackageId>MQTTnet.NetCore</PackageId>
-    <PackageProjectUrl>https://github.com/chkr1011/MQTTnet</PackageProjectUrl>
-    <RepositoryUrl>https://github.com/chkr1011/MQTTnet</RepositoryUrl>
-    <PackageTags>MQTT MQTTClient MQTTServer MQTTBroker Broker</PackageTags>
-    <PackageIconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</PackageIconUrl>
-    <PackageLicenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</PackageLicenseUrl>
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|AnyCPU'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|x64'" />
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Any CPU|x86'" />
-
-  <ItemGroup>
-    <Compile Include="..\MQTTnet.NetStandard\Implementations\MqttServerAdapter.cs" Link="Implementations\MqttServerAdapter.cs" />
-    <Compile Include="..\MQTTnet.NetStandard\Implementations\MqttTcpChannel.cs" Link="Implementations\MqttTcpChannel.cs" />
-    <Compile Include="..\MQTTnet.NetStandard\MqttClientFactory.cs" Link="MqttClientFactory.cs" />
-    <Compile Include="..\MQTTnet.NetStandard\MqttServerFactory.cs" Link="MqttServerFactory.cs" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\MQTTnet.Core\MQTTnet.Core.csproj" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <Folder Include="Implementations\" />
-  </ItemGroup>
-
-</Project>
\ No newline at end of file
diff --git a/Frameworks/MQTTnet.UniversalWindows/MQTTnet.UniversalWindows.csproj b/Frameworks/MQTTnet.UniversalWindows/MQTTnet.UniversalWindows.csproj
index fa6f897..791ee28 100644
--- a/Frameworks/MQTTnet.UniversalWindows/MQTTnet.UniversalWindows.csproj
+++ b/Frameworks/MQTTnet.UniversalWindows/MQTTnet.UniversalWindows.csproj
@@ -11,11 +11,12 @@
     <AssemblyName>MQTTnet</AssemblyName>
     <DefaultLanguage>en-US</DefaultLanguage>
     <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <TargetPlatformVersion>10.0.14393.0</TargetPlatformVersion>
+    <TargetPlatformVersion>10.0.15063.0</TargetPlatformVersion>
     <TargetPlatformMinVersion>10.0.10240.0</TargetPlatformMinVersion>
     <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <RuntimeIdentifiers>win10-arm;win10-arm-aot;win10-x86;win10-x86-aot;win10-x64;win10-x64-aot</RuntimeIdentifiers>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -108,10 +109,6 @@
     <GenerateLibraryLayout>false</GenerateLibraryLayout>
     <DocumentationFile>bin\x64\Release\MQTTnet.XML</DocumentationFile>
   </PropertyGroup>
-  <ItemGroup>
-    <!-- A reference to the entire .Net Framework and Windows SDK are automatically included -->
-    <None Include="project.json" />
-  </ItemGroup>
   <ItemGroup>
     <Compile Include="MqttClientFactory.cs" />
     <Compile Include="Implementations\MqttServerAdapter.cs" />
@@ -126,6 +123,11 @@
       <Name>MQTTnet.Core</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform">
+      <Version>5.3.3</Version>
+    </PackageReference>
+  </ItemGroup>
   <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
     <VisualStudioVersion>14.0</VisualStudioVersion>
   </PropertyGroup>
diff --git a/Frameworks/MQTTnet.UniversalWindows/project.json b/Frameworks/MQTTnet.UniversalWindows/project.json
deleted file mode 100644
index 92d1456..0000000
--- a/Frameworks/MQTTnet.UniversalWindows/project.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "dependencies": {
-    "Microsoft.NETCore.UniversalWindowsPlatform": "5.1.0"
-  },
-  "frameworks": {
-    "uap10.0": {}
-  },
-  "runtimes": {
-    "win10-arm": {},
-    "win10-arm-aot": {},
-    "win10-x86": {},
-    "win10-x86-aot": {},
-    "win10-x64": {},
-    "win10-x64-aot": {}
-  }
-}
\ No newline at end of file
diff --git a/MQTTnet.nuspec b/MQTTnet.nuspec
deleted file mode 100644
index 0a40cc6..0000000
--- a/MQTTnet.nuspec
+++ /dev/null
@@ -1,62 +0,0 @@
-<?xml version="1.0"?>
-<package >
-  <metadata>
-    <id>MQTTnet</id>
-    <version>2.1.4.0</version>
-    <authors>Christian Kratky</authors>
-    <owners>Christian Kratky</owners>
-    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
-    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
-    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
-    <requireLicenseAcceptance>false</requireLicenseAcceptance>
-    <description>MQTTnet is a .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker).</description>
-    <releaseNotes>* [.NET Standard] Added support for .NET Standard 1.3 (Thanks to 1iveowl)</releaseNotes>
-    <copyright>Copyright Christian Kratky 2016-2017</copyright>
-    <tags>MQTT MQTTClient MQTTServer MQTTBroker Broker</tags> 
-    <dependencies>
-
-      <group targetFramework="netstandard1.3">
-        <dependency id="System.Net.Security" version="4.3.1" />
-      </group>
-
-    </dependencies>
-  </metadata>
-
-  <files>
-    <!-- Universal Windows -->
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\Release\MQTTnet.Core.dll" target="lib\uap10.0"/>
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\Release\MQTTnet.dll" target="lib\uap10.0"/>
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\Release\MQTTnet.pri" target="lib\uap10.0"/>
-
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\ARM\Release\MQTTnet.Core.dll" target="lib\uap10.0-arm"/>
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\ARM\Release\MQTTnet.dll" target="lib\uap10.0-arm"/>
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\ARM\Release\MQTTnet.pri" target="lib\uap10.0-arm"/>
-
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\x64\Release\MQTTnet.Core.dll" target="lib\uap10.0-x64"/>
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\x64\Release\MQTTnet.dll" target="lib\uap10.0-x64"/>
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\x64\Release\MQTTnet.pri" target="lib\uap10.0-x64"/>
-
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\x86\Release\MQTTnet.Core.dll" target="lib\uap10.0-x86"/>
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\x86\Release\MQTTnet.dll" target="lib\uap10.0-x86"/>
-    <file src=".\Frameworks\MQTTnet.UniversalWindows\bin\x86\Release\MQTTnet.pri" target="lib\uap10.0-x86"/>
-
-    <!-- .NET Framework -->
-    <file src=".\Frameworks\MQTTnet.NetFramework\bin\Release\MQTTnet.Core.dll" target="lib\net45"/>
-    <file src=".\Frameworks\MQTTnet.NetFramework\bin\Release\MQTTnet.dll" target="lib\net45"/>
-    
-    <file src=".\Frameworks\MQTTnet.NetFramework\bin\x86\Release\MQTTnet.Core.dll" target="lib\net45-x86"/>
-    <file src=".\Frameworks\MQTTnet.NetFramework\bin\x86\Release\MQTTnet.dll" target="lib\net45-x86"/>
-
-    <file src=".\Frameworks\MQTTnet.NetFramework\bin\x64\Release\MQTTnet.Core.dll" target="lib\net45-x64"/>
-    <file src=".\Frameworks\MQTTnet.NetFramework\bin\x64\Release\MQTTnet.dll" target="lib\net45-x64"/>
-
-    <!-- .NET Core App -->
-    <file src=".\Frameworks\MQTTnet.NetCoreApp\bin\Release\netcoreapp1.1\MQTTnet.Core.dll" target="lib\netcoreapp1.1"/>
-    <file src=".\Frameworks\MQTTnet.NetCoreApp\bin\Release\netcoreapp1.1\MQTTnet.dll" target="lib\netcoreapp1.1"/>
-
-    <!-- .NET Standard 1.3 -->
-    <file src=".\Frameworks\MQTTnet.Netstandard\bin\Release\netstandard1.3\MQTTnet.Core.dll" target="lib\netstandard1.3"/>
-    <file src=".\Frameworks\MQTTnet.Netstandard\bin\Release\netstandard1.3\MQTTnet.dll" target="lib\netstandard1.3"/>
-    
-  </files>
-</package>
\ No newline at end of file
diff --git a/MQTTnet.sln b/MQTTnet.sln
index 58e427e..f6a4ad0 100644
--- a/MQTTnet.sln
+++ b/MQTTnet.sln
@@ -17,11 +17,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.Core", "MQTTnet.Cor
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{002203AF-2565-4C0D-95ED-027FDEFE0C35}"
 	ProjectSection(SolutionItems) = preProject
-		MQTTnet.nuspec = MQTTnet.nuspec
+		Build\build.ps1 = Build\build.ps1
+		Build\MQTTnet.nuspec = Build\MQTTnet.nuspec
 	EndProjectSection
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MQTTnet.NetCoreApp", "Frameworks\MQTTnet.NetCoreApp\MQTTnet.NetCoreApp.csproj", "{1A1B7F51-5328-4395-9D9C-07D70965825E}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MQTTnet.TestApp.NetFramework", "Tests\MQTTnet.TestApp.NetFramework\MQTTnet.TestApp.NetFramework.csproj", "{D9D74F33-6943-49B2-B765-7BD589082098}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MQTTnet.TestApp.UniversalWindows", "Tests\MQTTnet.TestApp.UniversalWindows\MQTTnet.TestApp.UniversalWindows.csproj", "{FF1F72D6-9524-4422-9497-3CC0002216ED}"
@@ -81,6 +80,7 @@ Global
 		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|x86.ActiveCfg = Debug|x86
 		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Debug|x86.Build.0 = Debug|x86
 		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|Any CPU.Build.0 = Release|Any CPU
 		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|ARM.ActiveCfg = Release|ARM
 		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|ARM.Build.0 = Release|ARM
 		{BD60C727-D8E8-40C3-B8E3-C95A864AE611}.Release|x64.ActiveCfg = Release|x64
@@ -103,22 +103,6 @@ Global
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x64.Build.0 = Release|x64
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x86.ActiveCfg = Release|x86
 		{2ECB99E4-72D0-4C23-99BA-93D511D3967D}.Release|x86.Build.0 = Release|x86
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Debug|ARM.ActiveCfg = Debug|Any CPU
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Debug|ARM.Build.0 = Debug|Any CPU
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Debug|x64.ActiveCfg = Debug|x64
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Debug|x64.Build.0 = Debug|x64
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Debug|x86.ActiveCfg = Debug|x86
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Debug|x86.Build.0 = Debug|x86
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Release|Any CPU.Build.0 = Release|Any CPU
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Release|ARM.ActiveCfg = Release|Any CPU
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Release|ARM.Build.0 = Release|Any CPU
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Release|x64.ActiveCfg = Release|x64
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Release|x64.Build.0 = Release|x64
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Release|x86.ActiveCfg = Release|x86
-		{1A1B7F51-5328-4395-9D9C-07D70965825E}.Release|x86.Build.0 = Release|x86
 		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D9D74F33-6943-49B2-B765-7BD589082098}.Debug|ARM.ActiveCfg = Debug|Any CPU
@@ -147,6 +131,7 @@ Global
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Debug|x86.Build.0 = Debug|x86
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Debug|x86.Deploy.0 = Debug|x86
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Release|Any CPU.Build.0 = Release|Any CPU
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Release|ARM.ActiveCfg = Release|ARM
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Release|ARM.Build.0 = Release|ARM
 		{FF1F72D6-9524-4422-9497-3CC0002216ED}.Release|ARM.Deploy.0 = Release|ARM
@@ -180,7 +165,6 @@ Global
 		{A7FF0C91-25DE-4BA6-B39E-F54E8DADF1CC} = {9248C2E1-B9D6-40BF-81EC-86004D7765B4}
 		{A480EF90-0EAA-4D9A-B271-47A9C47F6F7D} = {32A630A7-2598-41D7-B625-204CD906F5FB}
 		{BD60C727-D8E8-40C3-B8E3-C95A864AE611} = {32A630A7-2598-41D7-B625-204CD906F5FB}
-		{1A1B7F51-5328-4395-9D9C-07D70965825E} = {32A630A7-2598-41D7-B625-204CD906F5FB}
 		{D9D74F33-6943-49B2-B765-7BD589082098} = {9248C2E1-B9D6-40BF-81EC-86004D7765B4}
 		{FF1F72D6-9524-4422-9497-3CC0002216ED} = {9248C2E1-B9D6-40BF-81EC-86004D7765B4}
 		{3587E506-55A2-4EB3-99C7-DC01E42D25D2} = {32A630A7-2598-41D7-B625-204CD906F5FB}
diff --git a/Tests/MQTTnet.TestApp.UniversalWindows/MQTTnet.TestApp.UniversalWindows.csproj b/Tests/MQTTnet.TestApp.UniversalWindows/MQTTnet.TestApp.UniversalWindows.csproj
index 383fd8e..502c3be 100644
--- a/Tests/MQTTnet.TestApp.UniversalWindows/MQTTnet.TestApp.UniversalWindows.csproj
+++ b/Tests/MQTTnet.TestApp.UniversalWindows/MQTTnet.TestApp.UniversalWindows.csproj
@@ -11,8 +11,8 @@
     <AssemblyName>MQTTnet.TestApp.UniversalWindows</AssemblyName>
     <DefaultLanguage>en-US</DefaultLanguage>
     <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <TargetPlatformVersion Condition=" '$(TargetPlatformVersion)' == '' ">10.0.14393.0</TargetPlatformVersion>
-    <TargetPlatformMinVersion>10.0.10240.0</TargetPlatformMinVersion>
+    <TargetPlatformVersion Condition=" '$(TargetPlatformVersion)' == '' ">10.0.15063.0</TargetPlatformVersion>
+    <TargetPlatformMinVersion>10.0.15063.0</TargetPlatformMinVersion>
     <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
@@ -137,7 +137,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform">
-      <Version>5.2.3</Version>
+      <Version>5.3.3</Version>
     </PackageReference>
   </ItemGroup>
   <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
@@ -150,7 +150,7 @@
     <NoWarn>;2008</NoWarn>
     <NoStdLib>true</NoStdLib>
     <DebugType>full</DebugType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
+    <PlatformTarget>x86</PlatformTarget>
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>