diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 5278dfb53..036c3ed4a 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -2,9 +2,9 @@
 <Dependencies>
   <ProductDependencies>
     <!-- Winforms / WPF -->
-    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.0.0-preview4-27504-21">
+    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.0.0-preview4-27505-20">
       <Uri>https://devdiv.visualstudio.com/DevDiv/_git/DotNet-Trusted</Uri>
-      <Sha>3c8841393b96402999db796f21815cf3d00e5931</Sha>
+      <Sha>16df616da58829f4c7d88a4a3a420f2df94ed56b</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview4-27506-1">
       <Uri>https://github.com/dotnet/core-setup</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index f581010f8..c81d4d9ba 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -56,7 +56,7 @@
     <WindowsDesktopTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</WindowsDesktopTargetingPackVersion>
     <AspNetCoreVersion>$(MicrosoftAspNetCoreAppRuntimeWinX64PackageVersion)</AspNetCoreVersion>
     <AspNetTargetingPackVersion>$(MicrosoftAspNetCoreAppRefPackageVersion)</AspNetTargetingPackVersion>
-    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview4-27504-21</MicrosoftWindowsDesktopAppPackageVersion>
+    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview4-27505-20</MicrosoftWindowsDesktopAppPackageVersion>
     <MicrosoftWindowsDesktopPackageVersion>$(MicrosoftWindowsDesktopAppPackageVersion)</MicrosoftWindowsDesktopPackageVersion>
     <MicrosoftDotnetWpfProjectTemplatesPackageVersion>$(MicrosoftWindowsDesktopPackageVersion)</MicrosoftDotnetWpfProjectTemplatesPackageVersion>
     <MicrosoftDotnetWinFormsProjectTemplatesPackageVersion>$(MicrosoftWindowsDesktopPackageVersion)</MicrosoftDotnetWinFormsProjectTemplatesPackageVersion>