diff --git a/scripts/build/TestPlatform.Dependencies.props b/scripts/build/TestPlatform.Dependencies.props
index a4cfb75bd0..d9e7c09d23 100644
--- a/scripts/build/TestPlatform.Dependencies.props
+++ b/scripts/build/TestPlatform.Dependencies.props
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <VSSdkBuildToolsVersion>15.8.3247</VSSdkBuildToolsVersion>
@@ -25,7 +25,7 @@
     <NUnit3AdapterVersion>3.10.0</NUnit3AdapterVersion>
     <NUnitConsoleRunnerVersion>3.8.0</NUnitConsoleRunnerVersion>
 
-    <ChutzpahAdapterVersion>4.3.7</ChutzpahAdapterVersion>
+    <ChutzpahAdapterVersion>4.4.10</ChutzpahAdapterVersion>
 
     <NuGetFrameworksVersion>5.0.0</NuGetFrameworksVersion>
     <ILAsmPackageVersion>5.0.0</ILAsmPackageVersion>
diff --git a/src/Microsoft.TestPlatform.AdapterUtilities/Microsoft.TestPlatform.AdapterUtilities.csproj b/src/Microsoft.TestPlatform.AdapterUtilities/Microsoft.TestPlatform.AdapterUtilities.csproj
index 0e5fc9e099..f908631832 100644
--- a/src/Microsoft.TestPlatform.AdapterUtilities/Microsoft.TestPlatform.AdapterUtilities.csproj
+++ b/src/Microsoft.TestPlatform.AdapterUtilities/Microsoft.TestPlatform.AdapterUtilities.csproj
@@ -36,6 +36,7 @@
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'uap10.0' ">
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="5.1.0" />
+    <PackageReference Include="System.Net.Http" Version="4.3.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Microsoft.TestPlatform.ObjectModel/Microsoft.TestPlatform.ObjectModel.csproj b/src/Microsoft.TestPlatform.ObjectModel/Microsoft.TestPlatform.ObjectModel.csproj
index 451c871c83..b2747b558f 100644
--- a/src/Microsoft.TestPlatform.ObjectModel/Microsoft.TestPlatform.ObjectModel.csproj
+++ b/src/Microsoft.TestPlatform.ObjectModel/Microsoft.TestPlatform.ObjectModel.csproj
@@ -48,6 +48,7 @@
     <PackageReference Include="System.Reflection.Metadata" Version="1.6.0" />
     <PackageReference Include="System.ComponentModel.EventBasedAsync" Version="4.3.0" />
     <PackageReference Include="System.ComponentModel.TypeConverter" Version="4.3.0" />
+    <PackageReference Include="System.Net.Http" Version="4.3.0" />
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.3.0" />
     <PackageReference Include="System.Runtime.Serialization.Json" Version="4.3.0" />
     <PackageReference Include="System.Runtime.Serialization.Primitives" Version="4.3.0" />
diff --git a/src/Microsoft.TestPlatform.PlatformAbstractions/Microsoft.TestPlatform.PlatformAbstractions.csproj b/src/Microsoft.TestPlatform.PlatformAbstractions/Microsoft.TestPlatform.PlatformAbstractions.csproj
index 2d4f07e3f3..fc4b5331cb 100644
--- a/src/Microsoft.TestPlatform.PlatformAbstractions/Microsoft.TestPlatform.PlatformAbstractions.csproj
+++ b/src/Microsoft.TestPlatform.PlatformAbstractions/Microsoft.TestPlatform.PlatformAbstractions.csproj
@@ -35,6 +35,7 @@
     <PackageReference Include="System.Diagnostics.TraceSource" Version="4.0.0" />
     <PackageReference Include="System.Runtime.InteropServices.RuntimeInformation" Version="4.0.0" />
     <PackageReference Include="System.Runtime.Loader" Version="4.0.0" />
+    <PackageReference Include="System.Net.Http" Version="4.3.0" />
   </ItemGroup>
   
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' OR '$(TargetFramework)' == 'net45' ">
@@ -48,6 +49,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'uap10.0' ">
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="5.1.0" />
     <PackageReference Include="System.Runtime.InteropServices.RuntimeInformation" Version="4.3.0" />
+    <PackageReference Include="System.Net.Http" Version="4.3.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/testhost.x86/testhost.x86.csproj b/src/testhost.x86/testhost.x86.csproj
index 7eb5cd156b..ab5858cac9 100644
--- a/src/testhost.x86/testhost.x86.csproj
+++ b/src/testhost.x86/testhost.x86.csproj
@@ -29,6 +29,7 @@
   <ItemGroup>
     <PackageReference Include="System.Diagnostics.StackTrace" Condition="'$(TargetFramework)' == 'netcoreapp1.0'" Version="4.3.0" />
     <PackageReference Include="System.Diagnostics.TraceSource" Condition="'$(TargetFramework)' == 'netcoreapp1.0'" Version="4.3.0" />
+    <PackageReference Include="System.Net.Http" Condition="'$(TargetFramework)' == 'netcoreapp1.0'" Version="4.3.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.TestPlatform.CommunicationUtilities\Microsoft.TestPlatform.CommunicationUtilities.csproj" />
diff --git a/src/testhost/testhost.csproj b/src/testhost/testhost.csproj
index a780e4e9b9..f74ea84720 100644
--- a/src/testhost/testhost.csproj
+++ b/src/testhost/testhost.csproj
@@ -29,6 +29,7 @@
   <ItemGroup>
     <PackageReference Include="System.Diagnostics.StackTrace" Condition="'$(TargetFramework)' == 'netcoreapp1.0'" Version="4.3.0" />
     <PackageReference Include="System.Diagnostics.TraceSource" Condition="'$(TargetFramework)' == 'netcoreapp1.0'" Version="4.3.0" />
+    <PackageReference Include="System.Net.Http" Condition="'$(TargetFramework)' == 'netcoreapp1.0'" Version="4.3.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.TestPlatform.CommunicationUtilities\Microsoft.TestPlatform.CommunicationUtilities.csproj" />
diff --git a/test/TestAssets/SampleProjectWithOldTestHost/SampleProjectWithOldTestHost.csproj b/test/TestAssets/SampleProjectWithOldTestHost/SampleProjectWithOldTestHost.csproj
index b0780e1c31..544c3fd838 100644
--- a/test/TestAssets/SampleProjectWithOldTestHost/SampleProjectWithOldTestHost.csproj
+++ b/test/TestAssets/SampleProjectWithOldTestHost/SampleProjectWithOldTestHost.csproj
@@ -22,6 +22,7 @@
     <PackageReference Include="MSTest.TestAdapter">
       <Version>$(MSTestAdapterVersion)</Version>
     </PackageReference>
+    <PackageReference Include="System.Net.Http" Version="4.3.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/TestAssets/SimpleClassLibrary/SimpleClassLibrary.csproj b/test/TestAssets/SimpleClassLibrary/SimpleClassLibrary.csproj
index 471d375f19..5f9345b594 100644
--- a/test/TestAssets/SimpleClassLibrary/SimpleClassLibrary.csproj
+++ b/test/TestAssets/SimpleClassLibrary/SimpleClassLibrary.csproj
@@ -10,7 +10,11 @@
   <PropertyGroup>
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
   </PropertyGroup>
-  
+
+  <ItemGroup>
+    <PackageReference Include="System.Net.Http" Version="4.3.2" />
+  </ItemGroup>
+
   <PropertyGroup Condition="$(NetCoreAppTargetFrameWork) == 'true' and $(Configuration) == 'Debug'">
     <DebugType>full</DebugType>
   </PropertyGroup>