diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index c3795c0cc..1890a536d 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-preview6-27624-09">
+    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.0.0-preview6-27624-12">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>15d9119611a2fac0714738b611c15f1cc9defe4c</Sha>
+      <Sha>c49e86a34ce6f6f5d49fcfedc79c93fbb5de921b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview6-27624-09">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview6-27624-12">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>15d9119611a2fac0714738b611c15f1cc9defe4c</Sha>
+      <Sha>c49e86a34ce6f6f5d49fcfedc79c93fbb5de921b</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview6-27624-09">
+    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview6-27624-12">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>15d9119611a2fac0714738b611c15f1cc9defe4c</Sha>
+      <Sha>c49e86a34ce6f6f5d49fcfedc79c93fbb5de921b</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="3.0.0-preview6-19223-01">
       <Uri>https://github.com/aspnet/AspNetCore</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 533c6571b..4d017af85 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -48,17 +48,17 @@
     <MicrosoftNETSdkPackageVersion>3.0.100-preview6.19223.1</MicrosoftNETSdkPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview6-27624-09</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview6-27624-12</MicrosoftNETCoreAppPackageVersion>
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
     <SharedHostVersion>$(MicrosoftNETCoreAppPackageVersion)</SharedHostVersion>
     <HostFxrVersion>$(MicrosoftNETCoreAppPackageVersion)</HostFxrVersion>
     <NetCoreAppTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppTargetingPackVersion>
     <NetCoreAppHostPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppHostPackVersion>
-    <NETStandardLibraryRefPackageVersion>2.1.0-preview6-27624-09</NETStandardLibraryRefPackageVersion>
+    <NETStandardLibraryRefPackageVersion>2.1.0-preview6-27624-12</NETStandardLibraryRefPackageVersion>
     <WindowsDesktopTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</WindowsDesktopTargetingPackVersion>
     <AspNetCoreVersion>$(MicrosoftAspNetCoreAppRuntimeWinX64PackageVersion)</AspNetCoreVersion>
     <AspNetTargetingPackVersion>$(MicrosoftAspNetCoreAppRefPackageVersion)</AspNetTargetingPackVersion>
-    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview6-27624-09</MicrosoftWindowsDesktopAppPackageVersion>
+    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview6-27624-12</MicrosoftWindowsDesktopAppPackageVersion>
     <MicrosoftWindowsDesktopPackageVersion>$(MicrosoftWindowsDesktopAppPackageVersion)</MicrosoftWindowsDesktopPackageVersion>
   </PropertyGroup>
   <!-- infrastructure and test only dependencies -->