diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index abc21b848..502bd10f4 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -2,17 +2,17 @@
 <Dependencies>
   <ProductDependencies>
     <!-- Winforms / WPF -->
-    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.0.0-preview8-27919-09">
+    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.0.0-preview8-28373-12">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>3fcf1dac5531a0a92ce53af4eae4fc42316a0ccf</Sha>
+      <Sha>1d0d28cf1f3aa4dddc136c9df8edc976b600135e</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview8-27919-09">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview8-28373-12">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>3fcf1dac5531a0a92ce53af4eae4fc42316a0ccf</Sha>
+      <Sha>1d0d28cf1f3aa4dddc136c9df8edc976b600135e</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview8-27919-09">
+    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview8-28373-12">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>3fcf1dac5531a0a92ce53af4eae4fc42316a0ccf</Sha>
+      <Sha>1d0d28cf1f3aa4dddc136c9df8edc976b600135e</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="3.0.0-preview8.19372.3">
       <Uri>https://github.com/aspnet/AspNetCore</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 21a15fa65..63b0bbdb1 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -48,7 +48,7 @@
     <MicrosoftNETBuildExtensionsPackageVersion>$(MicrosoftNETSdkPackageVersion)</MicrosoftNETBuildExtensionsPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview8-27919-09</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview8-28373-12</MicrosoftNETCoreAppPackageVersion>
     <MicrosoftNETCoreAppInternalPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreAppInternalPackageVersion>
     <MicrosoftNETCoreDotNetAppHostPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetAppHostPackageVersion>
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
@@ -56,11 +56,11 @@
     <HostFxrVersion>$(MicrosoftNETCoreAppPackageVersion)</HostFxrVersion>
     <NetCoreAppTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppTargetingPackVersion>
     <NetCoreAppHostPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppHostPackVersion>
-    <NETStandardLibraryRefPackageVersion>2.1.0-preview8-27919-09</NETStandardLibraryRefPackageVersion>
+    <NETStandardLibraryRefPackageVersion>2.1.0-preview8-28373-12</NETStandardLibraryRefPackageVersion>
     <WindowsDesktopTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</WindowsDesktopTargetingPackVersion>
     <AspNetCoreVersion>$(MicrosoftAspNetCoreAppRuntimeWinX64PackageVersion)</AspNetCoreVersion>
     <AspNetTargetingPackVersion>$(MicrosoftAspNetCoreAppRefPackageVersion)</AspNetTargetingPackVersion>
-    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview8-27919-09</MicrosoftWindowsDesktopAppPackageVersion>
+    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview8-28373-12</MicrosoftWindowsDesktopAppPackageVersion>
     <MicrosoftWindowsDesktopPackageVersion>$(MicrosoftWindowsDesktopAppPackageVersion)</MicrosoftWindowsDesktopPackageVersion>
   </PropertyGroup>
   <!-- infrastructure and test only dependencies -->