diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index cfb431d94..6e874d982 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -42,9 +42,9 @@
       <Uri>https://github.com/dotnet/templating</Uri>
       <Sha>dd6eb08b7aad05eeadb585ef4c853f29ea95726c</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-preview8.19381.18">
+    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-preview8.19381.21">
       <Uri>https://github.com/dotnet/toolset</Uri>
-      <Sha>d130ede113d801288c7bc69e705afef6ce79aa6e</Sha>
+      <Sha>6d626d9e61720646a9337f794a48493f06939107</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.Sdk" Version="3.0.100-preview8.19380.2">
       <Uri>https://github.com/dotnet/sdk</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index ad738c0b5..d46cb1b47 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -12,7 +12,7 @@
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-preview8.19381.18</MicrosoftDotnetToolsetInternalPackageVersion>
+    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-preview8.19381.21</MicrosoftDotnetToolsetInternalPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/winforms -->