diff --git a/appveyor.yml b/appveyor.yml
index e1cb67d..a2cabab 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,6 +7,8 @@ build:
   verbosity: minimal
 after_build:
 - cmd: >-
+    nuget pack nuget\Khala.Messaging.Abstraction.nuspec
+
     nuget pack nuget\Khala.Messaging.Azure.nuspec
 
     nuget pack nuget\Khala.Messaging.Azure.Owin.nuspec
diff --git a/nuget/Khala.Messaging.Abstraction.nuspec b/nuget/Khala.Messaging.Abstraction.nuspec
index dd3585d..1ab04cb 100644
--- a/nuget/Khala.Messaging.Abstraction.nuspec
+++ b/nuget/Khala.Messaging.Abstraction.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>Khala.Messaging.Abstraction</id>
-    <version>0.10.0</version>
+    <version>0.20.0</version>
     <title>Khala.Messaging.Abstraction</title>
     <authors>Gyuwon</authors>
     <owners>Gyuwon</owners>
@@ -14,9 +14,9 @@
     <copyright>Copyright Gyuwon 2017</copyright>
     <tags>Khala Reactive Messaging</tags>
     <dependencies>
-      <group targetFramework="netstandard1.1">
-        <dependency id="NETStandard.Library" version="1.6.0" />
-        <dependency id="Newtonsoft.Json" version="9.0.1" />
+      <group targetFramework="netstandard2.0">
+        <dependency id="NETStandard.Library" version="2.0.0" />
+        <dependency id="Newtonsoft.Json" version="10.0.3" />
       </group>
     </dependencies>
   </metadata>
diff --git a/source/Khala.Messaging.Abstraction/Khala.Messaging.Abstraction.csproj b/source/Khala.Messaging.Abstraction/Khala.Messaging.Abstraction.csproj
index c0929d2..b5c6d06 100644
--- a/source/Khala.Messaging.Abstraction/Khala.Messaging.Abstraction.csproj
+++ b/source/Khala.Messaging.Abstraction/Khala.Messaging.Abstraction.csproj
@@ -13,7 +13,7 @@
     <Description>Abstraction layer for asynchronous messaging</Description>
     <Copyright>Copyright Gyuwon 2017</Copyright>
     <PackageTags>Khala Reactive Messaging</PackageTags>
-    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
diff --git a/source/Khala.Messaging.Azure.Owin/Khala.Messaging.Azure.Owin.csproj b/source/Khala.Messaging.Azure.Owin/Khala.Messaging.Azure.Owin.csproj
index 550f80d..267b3b8 100644
--- a/source/Khala.Messaging.Azure.Owin/Khala.Messaging.Azure.Owin.csproj
+++ b/source/Khala.Messaging.Azure.Owin/Khala.Messaging.Azure.Owin.csproj
@@ -85,7 +85,6 @@
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
-    <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
diff --git a/source/Khala.Messaging.Azure/Khala.Messaging.Azure.csproj b/source/Khala.Messaging.Azure/Khala.Messaging.Azure.csproj
index 328d0ad..07b175f 100644
--- a/source/Khala.Messaging.Azure/Khala.Messaging.Azure.csproj
+++ b/source/Khala.Messaging.Azure/Khala.Messaging.Azure.csproj
@@ -49,7 +49,6 @@
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
-    <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
diff --git a/source/Khala.Messaging.Tests/Khala.Messaging.Tests.csproj b/source/Khala.Messaging.Tests/Khala.Messaging.Tests.csproj
index 758787f..4dd3cc8 100644
--- a/source/Khala.Messaging.Tests/Khala.Messaging.Tests.csproj
+++ b/source/Khala.Messaging.Tests/Khala.Messaging.Tests.csproj
@@ -133,7 +133,6 @@
       <HintPath>..\packages\System.Interactive.3.1.1\lib\net45\System.Interactive.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Net.Http" />
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.ServiceModel" />
     <Reference Include="System.Spatial, Version=5.6.2.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">