diff --git a/build/dependencies.props b/build/dependencies.props
index bbf1f0cb6c..8e20a33a6b 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,36 +3,36 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15564</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAllPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreAllPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>
-    <MicrosoftAspNetCorePackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCorePackageVersion>
-    <MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>
-    <MicrosoftAspNetCoreSpaServicesPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreSpaServicesPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-27625</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15576</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAllPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreAllPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>
+    <MicrosoftAspNetCorePackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCorePackageVersion>
+    <MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>
+    <MicrosoftAspNetCoreSpaServicesPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreSpaServicesPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>15.3.409</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>15.3.409</MicrosoftBuildUtilitiesCorePackageVersion>
-    <MicrosoftEntityFrameworkCoreDesignPackageVersion>2.1.0-preview1-27625</MicrosoftEntityFrameworkCoreDesignPackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlitePackageVersion>2.1.0-preview1-27625</MicrosoftEntityFrameworkCoreSqlitePackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>2.1.0-preview1-27625</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>2.1.0-preview1-27625</MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsPackageVersion>2.1.0-preview1-27625</MicrosoftEntityFrameworkCoreToolsPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview1-27625</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsProcessSourcesPackageVersion>2.1.0-preview1-27625</MicrosoftExtensionsProcessSourcesPackageVersion>
-    <MicrosoftExtensionsSecretManagerToolsPackageVersion>2.1.0-preview1-27625</MicrosoftExtensionsSecretManagerToolsPackageVersion>
+    <MicrosoftEntityFrameworkCoreDesignPackageVersion>2.1.0-preview1-27644</MicrosoftEntityFrameworkCoreDesignPackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlitePackageVersion>2.1.0-preview1-27644</MicrosoftEntityFrameworkCoreSqlitePackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>2.1.0-preview1-27644</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>2.1.0-preview1-27644</MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsPackageVersion>2.1.0-preview1-27644</MicrosoftEntityFrameworkCoreToolsPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview1-27644</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsProcessSourcesPackageVersion>2.1.0-preview1-27644</MicrosoftExtensionsProcessSourcesPackageVersion>
+    <MicrosoftExtensionsSecretManagerToolsPackageVersion>2.1.0-preview1-27644</MicrosoftExtensionsSecretManagerToolsPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-25907-02</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
-    <MicrosoftVisualStudioWebBrowserLinkPackageVersion>2.1.0-preview1-27625</MicrosoftVisualStudioWebBrowserLinkPackageVersion>
-    <MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>2.1.0-preview1-27625</MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>
-    <MicrosoftVisualStudioWebCodeGenerationToolsPackageVersion>2.1.0-preview1-27625</MicrosoftVisualStudioWebCodeGenerationToolsPackageVersion>
+    <MicrosoftVisualStudioWebBrowserLinkPackageVersion>2.1.0-preview1-27644</MicrosoftVisualStudioWebBrowserLinkPackageVersion>
+    <MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>2.1.0-preview1-27644</MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>
+    <MicrosoftVisualStudioWebCodeGenerationToolsPackageVersion>2.1.0-preview1-27644</MicrosoftVisualStudioWebCodeGenerationToolsPackageVersion>
     <NETStandardLibraryPackageVersion>2.0.0</NETStandardLibraryPackageVersion>
     <SeleniumFirefoxWebDriverPackageVersion>0.19.0</SeleniumFirefoxWebDriverPackageVersion>
     <SeleniumSupportPackageVersion>3.6.0</SeleniumSupportPackageVersion>
diff --git a/build/repo.props b/build/repo.props
index b55e651b87..07c5f08325 100644
--- a/build/repo.props
+++ b/build/repo.props
@@ -2,6 +2,6 @@
   <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-ci-dev/api/v3/index.json</LineupPackageRestoreSource>
+    <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json</LineupPackageRestoreSource>
   </PropertyGroup>
 </Project>
diff --git a/build/sources.props b/build/sources.props
index c03f3ddb60..9feff29d09 100644
--- a/build/sources.props
+++ b/build/sources.props
@@ -5,7 +5,7 @@
     <RestoreSources>$(DotNetRestoreSources)</RestoreSources>
     <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true' AND '$(AspNetUniverseBuildOffline)' != 'true' ">
       $(RestoreSources);
-      https://dotnet.myget.org/F/aspnetcore-ci-dev/api/v3/index.json;
+      https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json;
       https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json;
     </RestoreSources>
     <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true'">
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 05050fd56b..3e3fb6bbb8 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15564
-commithash:1f3f14382764e06b7e691e5ee89d12a280249284
+version:2.1.0-preview1-15576
+commithash:2f3856d2ba4f659fcb9253215b83946a06794a27