diff --git a/build/dependencies.props b/build/dependencies.props
index 81232e2f67..d1257d8a5f 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,32 +3,32 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20180821.3</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10400</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>3.0.0-alpha1-10400</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10400</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20180907.9</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10419</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>3.0.0-alpha1-10419</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10419</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftAzureKeyVaultPackageVersion>2.3.2</MicrosoftAzureKeyVaultPackageVersion>
-    <MicrosoftEntityFrameworkCoreInMemoryPackageVersion>3.0.0-alpha1-10400</MicrosoftEntityFrameworkCoreInMemoryPackageVersion>
-    <MicrosoftEntityFrameworkCorePackageVersion>3.0.0-alpha1-10400</MicrosoftEntityFrameworkCorePackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsConfigurationPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsConfigurationPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsWebEncodersSourcesPackageVersion>3.0.0-alpha1-10400</MicrosoftExtensionsWebEncodersSourcesPackageVersion>
+    <MicrosoftEntityFrameworkCoreInMemoryPackageVersion>3.0.0-alpha1-10419</MicrosoftEntityFrameworkCoreInMemoryPackageVersion>
+    <MicrosoftEntityFrameworkCorePackageVersion>3.0.0-alpha1-10419</MicrosoftEntityFrameworkCorePackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsConfigurationPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsConfigurationPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsWebEncodersSourcesPackageVersion>3.0.0-alpha1-10419</MicrosoftExtensionsWebEncodersSourcesPackageVersion>
     <MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>3.14.2</MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>
-    <MicrosoftNETCoreApp30PackageVersion>3.0.0-preview1-26905-03</MicrosoftNETCoreApp30PackageVersion>
+    <MicrosoftNETCoreApp30PackageVersion>3.0.0-preview1-26907-04</MicrosoftNETCoreApp30PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
-    <MicrosoftWin32RegistryPackageVersion>4.6.0-preview1-26831-06</MicrosoftWin32RegistryPackageVersion>
+    <MicrosoftWin32RegistryPackageVersion>4.6.0-preview1-26905-03</MicrosoftWin32RegistryPackageVersion>
     <MoqPackageVersion>4.9.0</MoqPackageVersion>
     <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
     <StackExchangeRedisStrongNamePackageVersion>1.2.6</StackExchangeRedisStrongNamePackageVersion>
-    <SystemSecurityCryptographyXmlPackageVersion>4.6.0-preview1-26831-06</SystemSecurityCryptographyXmlPackageVersion>
-    <SystemSecurityPrincipalWindowsPackageVersion>4.6.0-preview1-26831-06</SystemSecurityPrincipalWindowsPackageVersion>
+    <SystemSecurityCryptographyXmlPackageVersion>4.6.0-preview1-26905-03</SystemSecurityCryptographyXmlPackageVersion>
+    <SystemSecurityPrincipalWindowsPackageVersion>4.6.0-preview1-26905-03</SystemSecurityPrincipalWindowsPackageVersion>
     <WindowsAzureStoragePackageVersion>8.1.4</WindowsAzureStoragePackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
     <XunitRunnerVisualStudioPackageVersion>2.4.0</XunitRunnerVisualStudioPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 74c82096f1..86de522933 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:3.0.0-alpha1-20180821.3
-commithash:0939a90812deb1c604eb9a4768869687495fc1dd
+version:3.0.0-alpha1-20180907.9
+commithash:f997365a8832ff0a3cbd9a98df45734ac2723fa0