diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index f4c684a76..60d03eb10 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="3.1.0-preview1.19476.43">
+    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.1.0-preview1.19477.8">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>008e3cc5cd407d769e71a56a657ec0271bb0ffc5</Sha>
+      <Sha>8447759ffbfe2c8700d78cf53edc828380a460ef</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.1.0-preview1.19476.43">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.1.0-preview1.19477.8">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>008e3cc5cd407d769e71a56a657ec0271bb0ffc5</Sha>
+      <Sha>8447759ffbfe2c8700d78cf53edc828380a460ef</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview1.19476.43">
+    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview1.19477.8">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>008e3cc5cd407d769e71a56a657ec0271bb0ffc5</Sha>
+      <Sha>8447759ffbfe2c8700d78cf53edc828380a460ef</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="3.1.0-preview1.19475.24">
       <Uri>https://github.com/aspnet/AspNetCore</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 9a3494767..437d27f1e 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -44,7 +44,7 @@
     <MicrosoftNETBuildExtensionsPackageVersion>$(MicrosoftNETSdkPackageVersion)</MicrosoftNETBuildExtensionsPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftNETCoreAppPackageVersion>3.1.0-preview1.19476.43</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>3.1.0-preview1.19477.8</MicrosoftNETCoreAppPackageVersion>
     <MicrosoftNETCoreAppInternalPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreAppInternalPackageVersion>
     <MicrosoftNETCoreDotNetAppHostPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetAppHostPackageVersion>
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
@@ -52,11 +52,11 @@
     <HostFxrVersion>$(MicrosoftNETCoreAppPackageVersion)</HostFxrVersion>
     <NetCoreAppTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppTargetingPackVersion>
     <NetCoreAppHostPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppHostPackVersion>
-    <NETStandardLibraryRefPackageVersion>2.1.0-preview1.19476.43</NETStandardLibraryRefPackageVersion>
+    <NETStandardLibraryRefPackageVersion>2.1.0-preview1.19477.8</NETStandardLibraryRefPackageVersion>
     <WindowsDesktopTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</WindowsDesktopTargetingPackVersion>
     <AspNetCoreVersion>$(MicrosoftAspNetCoreAppRuntimeWinX64PackageVersion)</AspNetCoreVersion>
     <AspNetTargetingPackVersion>$(MicrosoftAspNetCoreAppRefPackageVersion)</AspNetTargetingPackVersion>
-    <MicrosoftWindowsDesktopAppPackageVersion>3.1.0-preview1.19476.43</MicrosoftWindowsDesktopAppPackageVersion>
+    <MicrosoftWindowsDesktopAppPackageVersion>3.1.0-preview1.19477.8</MicrosoftWindowsDesktopAppPackageVersion>
     <MicrosoftWindowsDesktopPackageVersion>$(MicrosoftWindowsDesktopAppPackageVersion)</MicrosoftWindowsDesktopPackageVersion>
   </PropertyGroup>
   <PropertyGroup>