diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 6f9619d2f288e8adcb8f868c7b219fb81477211d..a421b889ed7824403614226e4a64bf91a65ce98b 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-preview.8.20363.2">
+    <Dependency Name="Microsoft.Private.Winforms" Version="5.0.0-preview.8.20363.4">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>977ef13f5b24acad31ec70626b1eae3dd421282d</Sha>
+      <Sha>ff997950f228dac5cc64fab59b377b56dd1a2073</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Win32.Registry" Version="5.0.0-preview.8.20361.2" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 0d836bf339d6ce1829d844118c1538a74ed7c6ba..56e3591a8a31f3a03c953a7a1db625d9d94c84a9 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -9,7 +9,7 @@
   </PropertyGroup>
   <!-- NuGet Package Versions -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>5.0.0-preview.8.20363.2</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>5.0.0-preview.8.20363.4</MicrosoftPrivateWinformsVersion>
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/coreclr -->
   <PropertyGroup>