diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 076188384a6c5e446236163592c6ac7f06ad3923..37d2681007f9ce49ea182b7836389390dfc422f4 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Private.Winforms" Version="5.0.0-alpha1.19466.5">
+    <Dependency Name="Microsoft.Private.Winforms" Version="5.0.0-alpha1.19466.6">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>eb935bbb2f89cc5ae4da05b7c6320ac85012b176</Sha>
+      <Sha>56816fe3ae41b38bdab4e983e83c3777bcc8b935</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 779f4b3b6007ef31c761ebf9ede23f9873adb527..2f11e7a49ae9a00ded993dfc825022488d925d93 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -8,7 +8,7 @@
   </PropertyGroup>
   <!-- NuGet Package Versions -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>5.0.0-alpha1.19466.5</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>5.0.0-alpha1.19466.6</MicrosoftPrivateWinformsVersion>
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/coreclr -->
   <PropertyGroup>