diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index da58214f9..0dc22dd14 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -6,9 +6,9 @@
       <Uri>https://dev.azure.com/devdiv/DevDiv/_git/DotNet-Trusted</Uri>
       <Sha>b76aadda41b179d0eb08868dc6c97061ffd0103e</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview4-27609-10">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview4-27609-12">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>9771101e02bd2e84305f58b83bb3364fb8eaf318</Sha>
+      <Sha>89ba5a781188bb95f7de3c2714fdddd19f341f32</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="3.0.0-preview4-19209-06">
       <Uri>https://github.com/aspnet/AspNetCore</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 7bfa08f68..658197858 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -37,7 +37,7 @@
     <MicrosoftDotNetMSBuildSdkResolverPackageVersion>3.0.100-preview4.19208.5</MicrosoftDotNetMSBuildSdkResolverPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview4-27609-10</MicrosoftNETCoreAppPackageVersion>
+    <MicrosoftNETCoreAppPackageVersion>3.0.0-preview4-27609-12</MicrosoftNETCoreAppPackageVersion>
     <MicrosoftNETCoreDotNetHostResolverPackageVersion>$(MicrosoftNETCoreAppPackageVersion)</MicrosoftNETCoreDotNetHostResolverPackageVersion>
   </PropertyGroup>
   <PropertyGroup>