diff --git a/build/dependencies.props b/build/dependencies.props
index f9fab1d04a..f878d3f68e 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,63 +3,63 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15626</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationFacebookPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreAuthenticationFacebookPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationGooglePackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreAuthenticationGooglePackageVersion>
-    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationTwitterPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreAuthenticationTwitterPackageVersion>
-    <MicrosoftAspNetCoreAuthorizationPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreAuthorizationPackageVersion>
-    <MicrosoftAspNetCoreCryptographyKeyDerivationPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreCryptographyKeyDerivationPackageVersion>
-    <MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>
-    <MicrosoftAspNetCoreMvcTestingPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreMvcTestingPackageVersion>
-    <MicrosoftAspNetCoreRewritePackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreRewritePackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-27871</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15651</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationFacebookPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreAuthenticationFacebookPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationGooglePackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreAuthenticationGooglePackageVersion>
+    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationTwitterPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreAuthenticationTwitterPackageVersion>
+    <MicrosoftAspNetCoreAuthorizationPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreAuthorizationPackageVersion>
+    <MicrosoftAspNetCoreCryptographyKeyDerivationPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreCryptographyKeyDerivationPackageVersion>
+    <MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>
+    <MicrosoftAspNetCoreMvcTestingPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreMvcTestingPackageVersion>
+    <MicrosoftAspNetCoreRewritePackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreRewritePackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-27942</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftAspNetIdentityEntityFrameworkPackageVersion>2.2.1</MicrosoftAspNetIdentityEntityFrameworkPackageVersion>
     <MicrosoftAzureKeyVaultPackageVersion>2.3.2</MicrosoftAzureKeyVaultPackageVersion>
-    <MicrosoftEntityFrameworkCoreInMemoryPackageVersion>2.1.0-preview1-27871</MicrosoftEntityFrameworkCoreInMemoryPackageVersion>
-    <MicrosoftEntityFrameworkCoreRelationalPackageVersion>2.1.0-preview1-27871</MicrosoftEntityFrameworkCoreRelationalPackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>2.1.0-preview1-27871</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsPackageVersion>2.1.0-preview1-27871</MicrosoftEntityFrameworkCoreToolsPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>2.1.0-preview1-27871</MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>
-    <MicrosoftExtensionsConfigurationBinderPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsConfigurationBinderPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationFileExtensionsPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsConfigurationFileExtensionsPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsConfigurationPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsConfigurationPackageVersion>
-    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
-    <MicrosoftExtensionsLoggingConfigurationPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsLoggingConfigurationPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsOptionsConfigurationExtensionsPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsOptionsConfigurationExtensionsPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsRazorViewsSourcesPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsRazorViewsSourcesPackageVersion>
-    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview1-27871</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
-    <MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>3.14.1</MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>
+    <MicrosoftEntityFrameworkCoreInMemoryPackageVersion>2.1.0-preview1-27942</MicrosoftEntityFrameworkCoreInMemoryPackageVersion>
+    <MicrosoftEntityFrameworkCoreRelationalPackageVersion>2.1.0-preview1-27942</MicrosoftEntityFrameworkCoreRelationalPackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>2.1.0-preview1-27942</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>2.1.0-preview1-27942</MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsPackageVersion>2.1.0-preview1-27942</MicrosoftEntityFrameworkCoreToolsPackageVersion>
+    <MicrosoftExtensionsConfigurationBinderPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsConfigurationBinderPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationFileExtensionsPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsConfigurationFileExtensionsPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsConfigurationPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsConfigurationPackageVersion>
+    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
+    <MicrosoftExtensionsLoggingConfigurationPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsLoggingConfigurationPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsOptionsConfigurationExtensionsPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsOptionsConfigurationExtensionsPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsRazorViewsSourcesPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsRazorViewsSourcesPackageVersion>
+    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview1-27942</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
+    <MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>3.14.2</MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>
     <MicrosoftIdentityModelProtocolsOpenIdConnectPackageVersion>5.2.0-preview2-41113220915</MicrosoftIdentityModelProtocolsOpenIdConnectPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26016-05</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
     <MicrosoftOwinSecurityCookiesPackageVersion>3.0.1</MicrosoftOwinSecurityCookiesPackageVersion>
-    <MicrosoftOwinSecurityInteropPackageVersion>2.1.0-preview1-27871</MicrosoftOwinSecurityInteropPackageVersion>
+    <MicrosoftOwinSecurityInteropPackageVersion>2.1.0-preview1-27942</MicrosoftOwinSecurityInteropPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <SystemComponentModelAnnotationsPackageVersion>4.5.0-preview1-26016-05</SystemComponentModelAnnotationsPackageVersion>
     <XunitAnalyzersPackageVersion>0.8.0</XunitAnalyzersPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 8d52a6128c..7c2e97aa79 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15626
-commithash:fd6410e9c90c428bc01238372303ad09cb9ec889
+version:2.1.0-preview1-15651
+commithash:ebf2365121c2c6a6a0fbfa9b0f37bb5effc89323