diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index b0beea849..04708a2e5 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -6,11 +6,11 @@
       <Uri>https://dev.azure.com/devdiv/DevDiv/_git/DotNet-Trusted</Uri>
       <Sha>d5e425a0f801b436444285044394eaed0398dea7</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview5-27611-05">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview5-27611-04">
       <Uri>https://github.com/dotnet/core-setup</Uri>
       <Sha>a80b24a9740a60f9316159eefa706462719b1e1b</Sha>
     </Dependency>
-    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview5-27611-05">
+    <Dependency Name="NETStandard.Library.Ref" Version="2.1.0-preview5-27611-04">
       <Uri>https://github.com/dotnet/core-setup</Uri>
       <Sha>a80b24a9740a60f9316159eefa706462719b1e1b</Sha>
     </Dependency>
diff --git a/eng/Versions.props b/eng/Versions.props
index 3a7fd3ef0..2b17c1166 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -44,12 +44,12 @@
     <NUnit3TemplatesVersion>1.6.1</NUnit3TemplatesVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview5-27611-05</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview5-27611-04</MicrosoftNETCoreAppPackageVersion>
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
     <SharedHostVersion>$(MicrosoftNETCoreAppPackageVersion)</SharedHostVersion>
     <HostFxrVersion>$(MicrosoftNETCoreAppPackageVersion)</HostFxrVersion>
     <NetCoreAppTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</NetCoreAppTargetingPackVersion>
-    <NETStandardLibraryRefPackageVersion>2.1.0-preview5-27611-05</NETStandardLibraryRefPackageVersion>
+    <NETStandardLibraryRefPackageVersion>2.1.0-preview5-27611-04</NETStandardLibraryRefPackageVersion>
     <WindowsDesktopTargetingPackVersion>$(MicrosoftNETCoreAppPackageVersion)</WindowsDesktopTargetingPackVersion>
     <AspNetCoreVersion>$(MicrosoftAspNetCoreAppRuntimeWinX64PackageVersion)</AspNetCoreVersion>
     <AspNetTargetingPackVersion>$(MicrosoftAspNetCoreAppRefPackageVersion)</AspNetTargetingPackVersion>