diff --git a/build/dependencies.props b/build/dependencies.props
index 9019beba7e..f4eb76cc2f 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -5,57 +5,57 @@
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.13</BenchmarkDotNetPackageVersion>
     <GoogleProtobufPackageVersion>3.1.0</GoogleProtobufPackageVersion>
-    <InternalAspNetCoreAnalyzersPackageVersion>3.0.0-alpha1-10454</InternalAspNetCoreAnalyzersPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20180911.2</InternalAspNetCoreSdkPackageVersion>
+    <InternalAspNetCoreAnalyzersPackageVersion>3.0.0-alpha1-10495</InternalAspNetCoreAnalyzersPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20180919.1</InternalAspNetCoreSdkPackageVersion>
     <MessagePackPackageVersion>1.7.3.4</MessagePackPackageVersion>
-    <MicrosoftAspNetCoreAllPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreAllPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
-    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
-    <MicrosoftAspNetCoreAuthorizationPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreAuthorizationPackageVersion>
-    <MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreConnectionsAbstractionsPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreConnectionsAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreCorsPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreCorsPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpFeaturesPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreHttpFeaturesPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreRoutingPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreRoutingPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftAspNetCoreWebSocketsPackageVersion>3.0.0-alpha1-10454</MicrosoftAspNetCoreWebSocketsPackageVersion>
+    <MicrosoftAspNetCoreAllPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreAllPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
+    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
+    <MicrosoftAspNetCoreAuthorizationPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreAuthorizationPackageVersion>
+    <MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreConnectionsAbstractionsPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreConnectionsAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreCorsPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreCorsPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpFeaturesPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreHttpFeaturesPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreRoutingPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreRoutingPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftAspNetCoreWebSocketsPackageVersion>3.0.0-alpha1-10495</MicrosoftAspNetCoreWebSocketsPackageVersion>
     <MicrosoftCSharpPackageVersion>4.6.0-preview1-26907-04</MicrosoftCSharpPackageVersion>
-    <MicrosoftEntityFrameworkCoreDesignPackageVersion>3.0.0-alpha1-10454</MicrosoftEntityFrameworkCoreDesignPackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>3.0.0-alpha1-10454</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsPackageVersion>3.0.0-alpha1-10454</MicrosoftEntityFrameworkCoreToolsPackageVersion>
-    <MicrosoftExtensionsBuffersTestingSourcesPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsBuffersTestingSourcesPackageVersion>
-    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConfigurationPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsLoggingConfigurationPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
-    <MicrosoftExtensionsValueStopwatchSourcesPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsValueStopwatchSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersSourcesPackageVersion>3.0.0-alpha1-10454</MicrosoftExtensionsWebEncodersSourcesPackageVersion>
+    <MicrosoftEntityFrameworkCoreDesignPackageVersion>3.0.0-alpha1-10495</MicrosoftEntityFrameworkCoreDesignPackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>3.0.0-alpha1-10495</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsPackageVersion>3.0.0-alpha1-10495</MicrosoftEntityFrameworkCoreToolsPackageVersion>
+    <MicrosoftExtensionsBuffersTestingSourcesPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsBuffersTestingSourcesPackageVersion>
+    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConfigurationPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsLoggingConfigurationPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
+    <MicrosoftExtensionsValueStopwatchSourcesPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsValueStopwatchSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersSourcesPackageVersion>3.0.0-alpha1-10495</MicrosoftExtensionsWebEncodersSourcesPackageVersion>
     <MicrosoftNETCoreApp22PackageVersion>2.2.0-preview2-26905-02</MicrosoftNETCoreApp22PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
     <MoqPackageVersion>4.9.0</MoqPackageVersion>
@@ -64,15 +64,14 @@
     <StackExchangeRedisStrongNamePackageVersion>1.2.6</StackExchangeRedisStrongNamePackageVersion>
     <SystemBuffersPackageVersion>4.6.0-preview1-26907-04</SystemBuffersPackageVersion>
     <SystemIOPipelinesPackageVersion>4.6.0-preview1-26907-04</SystemIOPipelinesPackageVersion>
-    <SystemMemoryPackageVersion>4.6.0-preview1-26717-04</SystemMemoryPackageVersion>
+    <SystemMemoryPackageVersion>4.5.0</SystemMemoryPackageVersion>
     <SystemNumericsVectorsPackageVersion>4.6.0-preview1-26907-04</SystemNumericsVectorsPackageVersion>
     <SystemReactiveLinqPackageVersion>3.1.1</SystemReactiveLinqPackageVersion>
     <SystemReflectionEmitPackageVersion>4.3.0</SystemReflectionEmitPackageVersion>
     <SystemRuntimeCompilerServicesUnsafePackageVersion>4.6.0-preview1-26907-04</SystemRuntimeCompilerServicesUnsafePackageVersion>
+    <SystemSecurityPrincipalWindowsPackageVersion>4.6.0-preview1-26907-04</SystemSecurityPrincipalWindowsPackageVersion>
     <SystemThreadingChannelsPackageVersion>4.6.0-preview1-26907-04</SystemThreadingChannelsPackageVersion>
     <SystemThreadingTasksExtensionsPackageVersion>4.6.0-preview1-26907-04</SystemThreadingTasksExtensionsPackageVersion>
-    <SystemRuntimeCompilerServicesUnsafePackageVersion>4.5.1</SystemRuntimeCompilerServicesUnsafePackageVersion>
-    <SystemSecurityPrincipalWindowsPackageVersion>4.5.0</SystemSecurityPrincipalWindowsPackageVersion>
     <XunitAssertPackageVersion>2.3.1</XunitAssertPackageVersion>
     <XunitExtensibilityCorePackageVersion>2.3.1</XunitExtensibilityCorePackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index a3511df82d..9a87e4ccb7 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:3.0.0-alpha1-20180911.2
-commithash:2a2b7dbea1b247930c41da497f4ea0b2bb756818
+version:3.0.0-alpha1-20180919.1
+commithash:3066ae0a230870ea07e3f132605b5e5493f8bbd4