diff --git a/build/dependencies.props b/build/dependencies.props
index 4ac85faae8..026ab70166 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,25 +3,25 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15651</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreServerHttpSysPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreServerHttpSysPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-27965</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsOptionsPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15679</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreServerHttpSysPackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreServerHttpSysPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-28153</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-28153</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-28153</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-28153</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-28153</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview1-28153</MicrosoftExtensionsOptionsPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26016-05</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26115-03</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
-    <SystemNumericsVectorsPackageVersion>4.5.0-preview1-26016-05</SystemNumericsVectorsPackageVersion>
+    <SystemNumericsVectorsPackageVersion>4.5.0-preview1-26112-01</SystemNumericsVectorsPackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
     <XunitRunnerVisualStudioPackageVersion>2.3.1</XunitRunnerVisualStudioPackageVersion>
   </PropertyGroup>
diff --git a/build/repo.props b/build/repo.props
index a7ce27ecb1..cc5826a085 100644
--- a/build/repo.props
+++ b/build/repo.props
@@ -1,4 +1,4 @@
-<Project>
+<Project>
   <Import Project="dependencies.props" />
 
   <ItemGroup>
@@ -7,7 +7,7 @@
   <PropertyGroup>
     <!-- These properties are use by the automation that updates dependencies.props -->
     <LineupPackageId>Internal.AspNetCore.Universe.Lineup</LineupPackageId>
-    <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json</LineupPackageRestoreSource>
+    <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-release/api/v3/index.json</LineupPackageRestoreSource>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/build/sources.props b/build/sources.props
index 9feff29d09..5d66393335 100644
--- a/build/sources.props
+++ b/build/sources.props
@@ -1,11 +1,11 @@
-<Project>
+<Project>
   <Import Project="$(DotNetRestoreSourcePropsPath)" Condition="'$(DotNetRestoreSourcePropsPath)' != ''"/>
 
   <PropertyGroup Label="RestoreSources">
     <RestoreSources>$(DotNetRestoreSources)</RestoreSources>
     <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true' AND '$(AspNetUniverseBuildOffline)' != 'true' ">
       $(RestoreSources);
-      https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json;
+      https://dotnet.myget.org/F/aspnetcore-release/api/v3/index.json;
       https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json;
     </RestoreSources>
     <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true'">
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 2146d006d7..a474bc0e35 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15661
-commithash:c9349d4c8a495d3085d9b879214d80f2f45e2193
+version:2.1.0-preview1-15679
+commithash:5347461137cb45a77ddcc0b55b2478092de43338