diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 2dc30438a..d2600d4c0 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-rc1.19421.1">
+    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.100-rc1.19421.4">
       <Uri>https://github.com/dotnet/toolset</Uri>
-      <Sha>d376afac3871a8c7a448ccede4a8a7eec6cb68ad</Sha>
+      <Sha>d8c83ee99eab38322fda7b9bb3504c9d0b990162</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 cf05b1f2a..a134c9cb7 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -12,7 +12,7 @@
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-rc1.19421.1</MicrosoftDotnetToolsetInternalPackageVersion>
+    <MicrosoftDotnetToolsetInternalPackageVersion>3.0.100-rc1.19421.4</MicrosoftDotnetToolsetInternalPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/winforms -->