diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 3452b4486cb..d146adfa022 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Private.Winforms" Version="6.0.0-preview.4.21178.2">
+    <Dependency Name="Microsoft.Private.Winforms" Version="6.0.0-preview.4.21178.6">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>e4699c843a4b5b75ec0bba5788da03fe24853097</Sha>
+      <Sha>d674bacd1f63a8f52ace0e95f48a53abf5afff4b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="6.0.0-preview.4.21178.2">
+    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="6.0.0-preview.4.21178.6">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>e4699c843a4b5b75ec0bba5788da03fe24853097</Sha>
+      <Sha>d674bacd1f63a8f52ace0e95f48a53abf5afff4b</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Win32.Registry" Version="6.0.0-preview.4.21177.4" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index d6efa714115..a2b00197567 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -9,7 +9,7 @@
   </PropertyGroup>
   <!-- NuGet Package Versions -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>6.0.0-preview.4.21178.2</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>6.0.0-preview.4.21178.6</MicrosoftPrivateWinformsVersion>
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/coreclr -->
   <PropertyGroup>