diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index af06da7a0..512d8d2c4 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-preview8-27904-02">
+    <Dependency Name="Microsoft.WindowsDesktop.App" Version="3.0.0-preview8-27904-04">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>c5123142f63e0e5358554d87eed9e14e1439b1c2</Sha>
+      <Sha>fa491da054ccaf4a946f5fd8ff1804b344f6153a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview8-27904-02">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview8-27904-04">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>c5123142f63e0e5358554d87eed9e14e1439b1c2</Sha>
+      <Sha>fa491da054ccaf4a946f5fd8ff1804b344f6153a</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview8-27904-02">
+    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview8-27904-04">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>c5123142f63e0e5358554d87eed9e14e1439b1c2</Sha>
+      <Sha>fa491da054ccaf4a946f5fd8ff1804b344f6153a</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="3.0.0-preview8.19351.9">
       <Uri>https://github.com/aspnet/AspNetCore</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 331e1faf6..61b5b163a 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -47,7 +47,7 @@
     <MicrosoftNETSdkPackageVersion>3.0.100-preview8.19353.1</MicrosoftNETSdkPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview8-27904-02</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview8-27904-04</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-preview8-27904-02</NETStandardLibraryRefPackageVersion>
+    <NETStandardLibraryRefPackageVersion>2.1.0-preview8-27904-04</NETStandardLibraryRefPackageVersion>
     <WindowsDesktopTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</WindowsDesktopTargetingPackVersion>
     <AspNetCoreVersion>$(MicrosoftAspNetCoreAppRuntimeWinX64PackageVersion)</AspNetCoreVersion>
     <AspNetTargetingPackVersion>$(MicrosoftAspNetCoreAppRefPackageVersion)</AspNetTargetingPackVersion>
-    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview8-27904-02</MicrosoftWindowsDesktopAppPackageVersion>
+    <MicrosoftWindowsDesktopAppPackageVersion>3.0.0-preview8-27904-04</MicrosoftWindowsDesktopAppPackageVersion>
     <MicrosoftWindowsDesktopPackageVersion>$(MicrosoftWindowsDesktopAppPackageVersion)</MicrosoftWindowsDesktopPackageVersion>
   </PropertyGroup>
   <!-- infrastructure and test only dependencies -->