diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 4e810aacf..32faa377b 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="5.0.0-alpha1.19508.11">
+    <Dependency Name="Microsoft.WindowsDesktop.App" Version="5.0.0-alpha1.19509.1">
       <Uri>https://github.com/dotnet/windowsdesktop</Uri>
-      <Sha>b208dcb27da08eaaa519f3c6a014ec783bf3f136</Sha>
+      <Sha>faa9257a337eb527576065e53ebc9d2eeedf2f73</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NETCore.App" Version="5.0.0-alpha1.19507.3">
       <Uri>https://github.com/dotnet/core-setup</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index a72b1b7e8..4921848d3 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -55,7 +55,7 @@
     <NETStandardLibraryRefPackageVersion>2.1.0-alpha1.19507.3</NETStandardLibraryRefPackageVersion>
     <AspNetCoreVersion>$(MicrosoftAspNetCoreAppRuntimeWinX64PackageVersion)</AspNetCoreVersion>
     <AspNetTargetingPackVersion>$(MicrosoftAspNetCoreAppRefPackageVersion)</AspNetTargetingPackVersion>
-    <MicrosoftWindowsDesktopAppPackageVersion>5.0.0-alpha1.19508.11</MicrosoftWindowsDesktopAppPackageVersion>
+    <MicrosoftWindowsDesktopAppPackageVersion>5.0.0-alpha1.19509.1</MicrosoftWindowsDesktopAppPackageVersion>
     <WindowsDesktopTargetingPackVersion>$(MicrosoftWindowsDesktopAppPackageVersion)</WindowsDesktopTargetingPackVersion>
     <MicrosoftWindowsDesktopPackageVersion>$(MicrosoftWindowsDesktopAppPackageVersion)</MicrosoftWindowsDesktopPackageVersion>
   </PropertyGroup>