diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index be9338953..e4b0445bc 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -2,15 +2,15 @@
 <Dependencies>
   <ProductDependencies>
     <!-- Winforms / WPF -->
-    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.0.0-preview7-27811-12">
+    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.0.0-preview7-27811-11">
       <Uri>https://github.com/dotnet/core-setup</Uri>
       <Sha>4c267f164b6f7932f3a784ac7e1a959214f4e413</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview7-27811-12">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview7-27811-11">
       <Uri>https://github.com/dotnet/core-setup</Uri>
       <Sha>4c267f164b6f7932f3a784ac7e1a959214f4e413</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview7-27811-12">
+    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview7-27811-11">
       <Uri>https://github.com/dotnet/core-setup</Uri>
       <Sha>4c267f164b6f7932f3a784ac7e1a959214f4e413</Sha>
     </Dependency>
diff --git a/eng/Versions.props b/eng/Versions.props
index 53068d839..0beeab6da 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -47,7 +47,7 @@
     <MicrosoftNETSdkPackageVersion>3.0.100-preview7.19311.2</MicrosoftNETSdkPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview7-27811-12</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview7-27811-11</MicrosoftNETCoreAppPackageVersion>
     <MicrosoftNETCoreAppInternalPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreAppInternalPackageVersion>
     <MicrosoftNETCoreDotNetAppHostPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetAppHostPackageVersion>
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
@@ -55,11 +55,11 @@
     <HostFxrVersion>$(MicrosoftNETCoreAppPackageVersion)</HostFxrVersion>
     <NetCoreAppTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppTargetingPackVersion>
     <NetCoreAppHostPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppHostPackVersion>
-    <NETStandardLibraryRefPackageVersion>2.1.0-preview7-27811-12</NETStandardLibraryRefPackageVersion>
+    <NETStandardLibraryRefPackageVersion>2.1.0-preview7-27811-11</NETStandardLibraryRefPackageVersion>
     <WindowsDesktopTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</WindowsDesktopTargetingPackVersion>
     <AspNetCoreVersion>$(MicrosoftAspNetCoreAppRuntimeWinX64PackageVersion)</AspNetCoreVersion>
     <AspNetTargetingPackVersion>$(MicrosoftAspNetCoreAppRefPackageVersion)</AspNetTargetingPackVersion>
-    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview7-27811-12</MicrosoftWindowsDesktopAppPackageVersion>
+    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview7-27811-11</MicrosoftWindowsDesktopAppPackageVersion>
     <MicrosoftWindowsDesktopPackageVersion>$(MicrosoftWindowsDesktopAppPackageVersion)</MicrosoftWindowsDesktopPackageVersion>
   </PropertyGroup>
   <!-- infrastructure and test only dependencies -->