diff --git a/build/dependencies.props b/build/dependencies.props
index 5240eab4f4..435ff56004 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-alpha1-20180817.3</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10321</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>3.0.0-alpha1-10321</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10321</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20180821.3</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10352</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>3.0.0-alpha1-10352</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10352</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftAzureKeyVaultPackageVersion>2.3.2</MicrosoftAzureKeyVaultPackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsConfigurationPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsConfigurationPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsWebEncodersSourcesPackageVersion>3.0.0-alpha1-10321</MicrosoftExtensionsWebEncodersSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsConfigurationPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsConfigurationPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsWebEncodersSourcesPackageVersion>3.0.0-alpha1-10352</MicrosoftExtensionsWebEncodersSourcesPackageVersion>
     <MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>3.14.2</MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.9</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.2</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETCoreApp22PackageVersion>2.2.0-preview1-26618-02</MicrosoftNETCoreApp22PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
-    <MicrosoftWin32RegistryPackageVersion>4.6.0-preview1-26816-01</MicrosoftWin32RegistryPackageVersion>
+    <MicrosoftWin32RegistryPackageVersion>4.6.0-preview1-26817-04</MicrosoftWin32RegistryPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
     <StackExchangeRedisStrongNamePackageVersion>1.2.6</StackExchangeRedisStrongNamePackageVersion>
-    <SystemSecurityCryptographyXmlPackageVersion>4.6.0-preview1-26816-01</SystemSecurityCryptographyXmlPackageVersion>
-    <SystemSecurityPrincipalWindowsPackageVersion>4.6.0-preview1-26816-01</SystemSecurityPrincipalWindowsPackageVersion>
+    <SystemSecurityCryptographyXmlPackageVersion>4.6.0-preview1-26817-04</SystemSecurityCryptographyXmlPackageVersion>
+    <SystemSecurityPrincipalWindowsPackageVersion>4.6.0-preview1-26817-04</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 7abb5ed14d..74c82096f1 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:3.0.0-alpha1-20180817.3
-commithash:134cdbee9bee29dd3ccb654c67663b27b9ffa6c8
+version:3.0.0-alpha1-20180821.3
+commithash:0939a90812deb1c604eb9a4768869687495fc1dd