diff --git a/src/shippingapi/shippingapi.csproj b/src/shippingapi/shippingapi.csproj
index 270cf32..7bc8fc8 100644
--- a/src/shippingapi/shippingapi.csproj
+++ b/src/shippingapi/shippingapi.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 Shipping API
 
@@ -16,7 +16,7 @@ Contact: support@pb.com
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>shippingapi</RootNamespace>
     <AssemblyName>shippingapiv2</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
@@ -45,6 +45,9 @@ Contact: support@pb.com
     <Reference Include="RestSharp, Version=106.12.0.0, Culture=neutral, PublicKeyToken=598062e77f915f75, processorArchitecture=MSIL">
       <HintPath>..\..\packages\RestSharp.106.12.0\lib\net452\RestSharp.dll</HintPath>
     </Reference>
+    <Reference Include="shippingapiv2, Version=1.6.1.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\shippingapiv2.1.6.1\lib\net452\shippingapiv2.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Web" />
@@ -225,4 +228,4 @@ Contact: support@pb.com
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MsBuildToolsPath)\Microsoft.CSharp.targets" />
-</Project>
\ No newline at end of file
+</Project>