diff --git a/eng/SourceBuildPrebuiltBaseline.xml b/eng/SourceBuildPrebuiltBaseline.xml
index ee09742d3..8939a3b52 100644
--- a/eng/SourceBuildPrebuiltBaseline.xml
+++ b/eng/SourceBuildPrebuiltBaseline.xml
@@ -11,6 +11,10 @@
     -->
     <UsagePattern IdentityGlob="NuGet.*/*" />
 
+    <!-- These MSBuild packages are allowed for installer repo build. The live version will be flowed in for the VMR build. -->
+    <UsagePattern IdentityGlob="Microsoft.Build*/17.11.0-preview-24310-01" />
+    <UsagePattern IdentityGlob="Microsoft.NET.StringTools/17.11.0-preview-24310-01" />
+
     <!-- These are coming in via runtime but the source-build infra isn't able to automatically pick up the right intermediate. -->
     <UsagePattern IdentityGlob="Microsoft.NETCore.App.Crossgen2.linux-x64/*8.0.*" />
   </IgnorePatterns>
diff --git a/eng/Versions.props b/eng/Versions.props
index 441fe9396..4b089ab3a 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -122,6 +122,10 @@
     <!-- Dependencies from https://github.com/NuGet/NuGet.Client -->
     <NuGetBuildTasksPackageVersion>6.11.0-rc.90</NuGetBuildTasksPackageVersion>
   </PropertyGroup>
+  <PropertyGroup>
+    <!-- Dependencies from https://github.com/dotnet/msbuild -->
+    <MicrosoftBuildPackageVersion>17.11.0-preview-24310-01</MicrosoftBuildPackageVersion>
+  </PropertyGroup>
   <!-- Dependencies from https://github.com/dotnet/deployment-tools -->
   <PropertyGroup>
     <MicrosoftDeploymentDotNetReleasesVersion>2.0.0-preview.1.23463.1</MicrosoftDeploymentDotNetReleasesVersion>
diff --git a/src/core-sdk-tasks/core-sdk-tasks.csproj b/src/core-sdk-tasks/core-sdk-tasks.csproj
index 938dba427..13f485425 100644
--- a/src/core-sdk-tasks/core-sdk-tasks.csproj
+++ b/src/core-sdk-tasks/core-sdk-tasks.csproj
@@ -10,12 +10,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Build" Version="15.7.179" />
-    <PackageReference Include="Microsoft.Build.Utilities.Core" Version="15.7.179" />
+    <PackageReference Include="Microsoft.Build" Version="$(MicrosoftBuildPackageVersion)" />
+    <PackageReference Include="Microsoft.Build.Utilities.Core" Version="$(MicrosoftBuildPackageVersion)" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NuGet.Versioning" Version="$(NuGetBuildTasksPackageVersion)" />
     <PackageReference Include="NuGet.Packaging" Version="$(NuGetBuildTasksPackageVersion)" />
-    <PackageReference Include="System.Reflection.Metadata" Version="1.4.2" />
+    <PackageReference Include="System.Reflection.Metadata" Version="8.0.0" />
     <PackageReference Include="WindowsAzure.Storage" Version="9.3.3" Condition="'$(DotNetBuildFromSource)' != 'true'" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
   </ItemGroup>