diff --git a/eng/SourceBuildPrebuiltBaseline.xml b/eng/SourceBuildPrebuiltBaseline.xml
index 35edc82529..a76c88ab3c 100644
--- a/eng/SourceBuildPrebuiltBaseline.xml
+++ b/eng/SourceBuildPrebuiltBaseline.xml
@@ -4,5 +4,6 @@
 
     <!-- Tracked with https://github.com/microsoft/vstest/issues/4403 -->
     <UsagePattern IdentityGlob="Microsoft.Internal.TestPlatform.Remote/17.6.33617.297" />
+    <UsagePattern IdentityGlob="Microsoft.Extensions.DependencyModel/3.0.0-preview4-27615-11" />
   </IgnorePatterns>
 </UsageData>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 12bb4aad05..387d9128e9 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -19,9 +19,9 @@
       <Sha>d1db09ce5c5a2aeab37d01336765861c0283f76f</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.23225.2">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.23253.1">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>4bf273ec25cc3983d6a5991cf0a4aa082cb255a5</Sha>
+      <Sha>08e096e0c5e9b1c5afd936301d4ecb929caebb1b</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
   </ProductDependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index c984796d54..e430486885 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -21,7 +21,7 @@
     <MicrosoftBuildUtilitiesCorePackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildUtilitiesCorePackageVersion>
     <MicrosoftCodeAnalysisVersion>3.8.0-3.20427.2</MicrosoftCodeAnalysisVersion>
     <MicrosoftDiagnosticsNETCoreClientVersion>0.2.0-preview.23211.1</MicrosoftDiagnosticsNETCoreClientVersion>
-    <MicrosoftExtensionsDependencyModelPackageVersion>6.0.0</MicrosoftExtensionsDependencyModelPackageVersion>
+    <MicrosoftExtensionsDependencyModelPackageVersion>3.0.0-preview4-27615-11</MicrosoftExtensionsDependencyModelPackageVersion>
     <MicrosoftExtensionsFileSystemGlobbingVersion>2.0.0</MicrosoftExtensionsFileSystemGlobbingVersion>
     <MicrosoftFakesVersion>17.4.0-beta.22478.3</MicrosoftFakesVersion>
     <MicrosoftInternalCodeCoverageVersion>17.7.1-beta.23228.3</MicrosoftInternalCodeCoverageVersion>
@@ -35,7 +35,6 @@
     <SystemMemoryVersion>4.5.5</SystemMemoryVersion>
     <SystemNetHttpVersion>4.3.4</SystemNetHttpVersion>
     <SystemReflectionMetadataVersion>1.6.0</SystemReflectionMetadataVersion>
-    <SystemRuntimeCompilerServicesUnsafeVersion>6.0.0</SystemRuntimeCompilerServicesUnsafeVersion>
     <SystemUriVersion>4.3.2</SystemUriVersion>
     <TestPlatformMSDiaVersion>17.6.33617.297</TestPlatformMSDiaVersion>
     <TestPlatformRemoteExternalsVersion>17.6.33617.297</TestPlatformRemoteExternalsVersion>
diff --git a/src/Microsoft.TestPlatform.TestHostProvider/Microsoft.TestPlatform.TestHostProvider.csproj b/src/Microsoft.TestPlatform.TestHostProvider/Microsoft.TestPlatform.TestHostProvider.csproj
index 977df02dd0..6f4c86bc63 100644
--- a/src/Microsoft.TestPlatform.TestHostProvider/Microsoft.TestPlatform.TestHostProvider.csproj
+++ b/src/Microsoft.TestPlatform.TestHostProvider/Microsoft.TestPlatform.TestHostProvider.csproj
@@ -26,7 +26,7 @@
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="$(JsonNetVersion)" />
     <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="$(MicrosoftExtensionsDependencyModelPackageVersion)" />
-    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="$(SystemRuntimeCompilerServicesUnsafeVersion)" Condition=" '$(DotNetBuildFromSource)' != 'true' " />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.7.1" Condition=" '$(DotNetBuildFromSource)' != 'true' " />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="NullableHelpers.cs">