diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index d3e1596cb..f04f42595 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -22,9 +22,9 @@
       <Uri>https://github.com/dotnet/templating</Uri>
       <Sha>42a212514e375a0821baab69fbac462e39590cfb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-preview4.19118.4">
+    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-preview4.19127.6">
       <Uri>https://github.com/dotnet/toolset</Uri>
-      <Sha>de6587837888584f67b0d4fe389c40e704c19e9f</Sha>
+      <Sha>2f7c4823d2eb6c6080982196abf895f6f7b411dc</Sha>
     </Dependency>
     <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19126.1">
       <Uri>https://github.com/dotnet/standard</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index ef523ec09..38e3a8c4b 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -12,7 +12,7 @@
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-preview3.19123.1</MicrosoftDotnetToolsetInternalPackageVersion>
+    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-preview4.19127.6</MicrosoftDotnetToolsetInternalPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/aspnet/EntityFrameworkCore -->