diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 36eb2b600..0e93fef95 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -42,9 +42,9 @@
       <Uri>https://github.com/dotnet/templating</Uri>
       <Sha>e8d6da33000a416b2b36b4f04b1756dcc99f671d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-rc1.19421.8">
+    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-rc1.19421.12">
       <Uri>https://github.com/dotnet/toolset</Uri>
-      <Sha>a1311971d97a269703781424e9a9606bd75dea61</Sha>
+      <Sha>7af16d7cde58c7353cb5919cc45ce02636e8cc16</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.Sdk" Version="3.0.100-preview9.19413.5" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
       <Uri>https://github.com/dotnet/sdk</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index c110f4db5..7c743c38a 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -12,7 +12,7 @@
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-rc1.19421.8</MicrosoftDotnetToolsetInternalPackageVersion>
+    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-rc1.19421.12</MicrosoftDotnetToolsetInternalPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/winforms -->