diff --git a/NuGet.config b/NuGet.config
index 3288edefca8f..c325f4971662 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -3,6 +3,8 @@
   <packageSources>
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
+    <!--  Begin: Package sources from microsoft-testfx -->
+    <!--  End: Package sources from microsoft-testfx -->
     <!--  Begin: Package sources from dotnet-aspire -->
     <!--  End: Package sources from dotnet-aspire -->
     <!--  Begin: Package sources from dotnet-runtime -->
diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 2e11efa99dda..190467d74fad 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -140,8 +140,8 @@ This file should be imported by eng/Versions.props
     <!-- dotnet/core-setup dependencies -->
     <NETStandardLibraryRefPackageVersion>2.1.0</NETStandardLibraryRefPackageVersion>
     <!-- microsoft/testfx dependencies -->
-    <MicrosoftTestingPlatformPackageVersion>1.9.0-preview.25479.5</MicrosoftTestingPlatformPackageVersion>
-    <MSTestPackageVersion>3.11.0-preview.25479.5</MSTestPackageVersion>
+    <MicrosoftTestingPlatformPackageVersion>2.0.0-preview.25506.5</MicrosoftTestingPlatformPackageVersion>
+    <MSTestPackageVersion>4.0.0-preview.25506.5</MSTestPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 127defb6a35a..343805ba6dd9 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -553,13 +553,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>6befeceeaece5c9cb9730878aeaf4667f7c29b70</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="1.9.0-preview.25479.5">
+    <Dependency Name="Microsoft.Testing.Platform" Version="2.0.0-preview.25506.5">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>fb48f61b25dd221f0b7568863080ab5339df8def</Sha>
+      <Sha>f6f7b6dfab12e4a24ad74184d7ff884cf90cd972</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="3.11.0-preview.25479.5">
+    <Dependency Name="MSTest" Version="4.0.0-preview.25506.5">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>fb48f61b25dd221f0b7568863080ab5339df8def</Sha>
+      <Sha>f6f7b6dfab12e4a24ad74184d7ff884cf90cd972</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Ini" Version="10.0.0-rc.1.25479.108">
       <Uri>https://github.com/dotnet/dotnet</Uri>
diff --git a/test/TestAssets/TestProjects/TestProjectSolutionWithCodeCoverage/TestProject/TestProject.csproj b/test/TestAssets/TestProjects/TestProjectSolutionWithCodeCoverage/TestProject/TestProject.csproj
index ff9709d80d68..7bf348d2d585 100644
--- a/test/TestAssets/TestProjects/TestProjectSolutionWithCodeCoverage/TestProject/TestProject.csproj
+++ b/test/TestAssets/TestProjects/TestProjectSolutionWithCodeCoverage/TestProject/TestProject.csproj
@@ -1,13 +1,12 @@
-<Project Sdk="MSTest.Sdk/3.9.3">
+<Project Sdk="MSTest.Sdk/4.0.0-preview.25506.5">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), testAsset.props))\testAsset.props" />
 
 	<PropertyGroup>
 		<TargetFramework>$(CurrentTargetFramework)</TargetFramework>
 		<GenerateTestingPlatformEntryPoint>False</GenerateTestingPlatformEntryPoint>
-		<MicrosoftTestingExtensionsCodeCoverageVersion>17.12.6</MicrosoftTestingExtensionsCodeCoverageVersion>
 		
 	</PropertyGroup>
 
 	<!-- references to the code to test -->
 
-</Project>
\ No newline at end of file
+</Project>