diff --git a/test/netstd/Client/Client.csproj b/test/netstd/Client/Client.csproj
index a09c317..828ea73 100644
--- a/test/netstd/Client/Client.csproj
+++ b/test/netstd/Client/Client.csproj
@@ -19,7 +19,7 @@
   -->
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <AssemblyName>Client</AssemblyName>
     <PackageId>Client</PackageId>
     <OutputType>Exe</OutputType>
@@ -32,9 +32,9 @@
     <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="4.7.0" />
+    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="5.0.0" />
     <PackageReference Include="System.Runtime.Serialization.Primitives" Version="[4.3,)" />
-    <PackageReference Include="System.ServiceModel.Primitives" Version="4.7.0" />
+    <PackageReference Include="System.ServiceModel.Primitives" Version="4.8.1" />
     <PackageReference Include="System.Threading" Version="[4.3,)" />
   </ItemGroup>
   <ItemGroup>