diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 841f9296d..6f4dde529 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -42,9 +42,9 @@
       <Uri>https://github.com/dotnet/templating</Uri>
       <Sha>42a212514e375a0821baab69fbac462e39590cfb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-preview4.19210.10">
+    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-preview4.19210.12">
       <Uri>https://github.com/dotnet/toolset</Uri>
-      <Sha>1e5f6b67af56e26a56e9e8786c4a939f76e23d94</Sha>
+      <Sha>bfc87e6a5afb34ddbc057827eae88207d77e050f</Sha>
     </Dependency>
     <Dependency Name="NETStandard.Library" Version="2.1.0-prerelease.19208.5">
       <Uri>https://github.com/dotnet/standard</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 33d75c6d0..b57dc3aad 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -12,7 +12,7 @@
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-preview4.19210.10</MicrosoftDotnetToolsetInternalPackageVersion>
+    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-preview4.19210.12</MicrosoftDotnetToolsetInternalPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/winforms -->