diff --git a/NuGet.config b/NuGet.config
index 6581131e8fe2..e73a673ec57a 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -6,7 +6,6 @@
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
     <add key="nuget-nugetclient" value="https://dotnetfeed.blob.core.windows.net/nuget-nugetclient/index.json" />
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
-    <add key="vstest" value="https://dotnet.myget.org/F/vstest/api/v3/index.json" />
     <add key="dotnet-sdk" value="https://dotnetfeed.blob.core.windows.net/dotnet-sdk/index.json" />
     <add key="aspnet-aspnetcore" value="https://dotnetfeed.blob.core.windows.net/aspnet-aspnetcore/index.json" />
     <add key="aspnet-aspnetcore-tooling" value="https://dotnetfeed.blob.core.windows.net/aspnet-aspnetcore-tooling/index.json" />
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index ba0373fcad88..885b777f56fa 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -61,9 +61,9 @@
       <Uri>https://github.com/NuGet/NuGet.Client</Uri>
       <Sha>64f2febf7d1de8b0228eca5afed97a96c5a30bba</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Test.Sdk" Version="16.3.0">
+    <Dependency Name="Microsoft.NET.Test.Sdk" Version="16.6.0-preview-20200310-03">
       <Uri>https://github.com/microsoft/vstest</Uri>
-      <Sha>55e7e45431c9c05656c999b902686e7402664573</Sha>
+      <Sha>53da99a8a1ed39d1df63429fc2d61011fb57fb23</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.Sdk.Web" Version="5.0.100-preview.2.20161.2">
       <Uri>https://github.com/aspnet/websdk</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 30c31a62ba5f..e3b500365c72 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -54,7 +54,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/Microsoft/vstest -->
-    <MicrosoftNETTestSdkPackageVersion>16.3.0</MicrosoftNETTestSdkPackageVersion>
+    <MicrosoftNETTestSdkPackageVersion>16.6.0-preview-20200310-03</MicrosoftNETTestSdkPackageVersion>
     <MicrosoftTestPlatformCLIPackageVersion>$(MicrosoftNETTestSdkPackageVersion)</MicrosoftTestPlatformCLIPackageVersion>
     <MicrosoftTestPlatformBuildPackageVersion>$(MicrosoftNETTestSdkPackageVersion)</MicrosoftTestPlatformBuildPackageVersion>
   </PropertyGroup>