diff --git a/build/dependencies.props b/build/dependencies.props
index a6e39396f3..a576d9b011 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,37 +3,37 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <MicrosoftAspNetCoreAllPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreAllPackageVersion>
-    <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>1.0.0-pre-10223</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
-    <MicrosoftAspNetCoreAuthenticationFacebookPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreAuthenticationFacebookPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationGooglePackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreAuthenticationGooglePackageVersion>
-    <MicrosoftAspNetCoreAuthenticationMicrosoftAccountPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreAuthenticationMicrosoftAccountPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationTwitterPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreAuthenticationTwitterPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreIdentityPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreIdentityPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>
-    <MicrosoftAspNetCorePackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCorePackageVersion>
-    <MicrosoftAspNetCoreServerHttpSysPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreServerHttpSysPackageVersion>
-    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-27849</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
-    <MicrosoftAspNetCoreSessionPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreSessionPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.1.0-preview1-27849</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
-    <MicrosoftEntityFrameworkCoreInMemoryPackageVersion>2.1.0-preview1-27849</MicrosoftEntityFrameworkCoreInMemoryPackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>2.1.0-preview1-27849</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationBinderPackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsConfigurationBinderPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview1-27849</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftAspNetCoreAllPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAllPackageVersion>
+    <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
+    <MicrosoftAspNetCoreAuthenticationFacebookPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAuthenticationFacebookPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationGooglePackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAuthenticationGooglePackageVersion>
+    <MicrosoftAspNetCoreAuthenticationMicrosoftAccountPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAuthenticationMicrosoftAccountPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationTwitterPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreAuthenticationTwitterPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreIdentityPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreIdentityPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>
+    <MicrosoftAspNetCorePackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCorePackageVersion>
+    <MicrosoftAspNetCoreServerHttpSysPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreServerHttpSysPackageVersion>
+    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-27965</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
+    <MicrosoftAspNetCoreSessionPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreSessionPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.1.0-preview1-27965</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
+    <MicrosoftEntityFrameworkCoreInMemoryPackageVersion>2.1.0-preview1-27965</MicrosoftEntityFrameworkCoreInMemoryPackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>2.1.0-preview1-27965</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationBinderPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsConfigurationBinderPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview1-27965</MicrosoftExtensionsLoggingTestingPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26016-05</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
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