diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index ec0fce9a428..396c62abd4c 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="4.8.0-preview7.19328.6">
+    <Dependency Name="Microsoft.Private.Winforms" Version="4.8.0-preview8.19351.8">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>e6eae242229390ee477d70ba8424f266b801cb56</Sha>
+      <Sha>c87f30f7e895f08a78efc349437d187f60fd1d58</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 226bb02c06e..95b1357f6ca 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -8,7 +8,7 @@
   </PropertyGroup>
   <!-- NuGet Package Versions -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>4.8.0-preview7.19328.6</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>4.8.0-preview8.19351.8</MicrosoftPrivateWinformsVersion>
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/coreclr -->
   <PropertyGroup>