diff --git a/build/dependencies.props b/build/dependencies.props
index d1fa209..e086e44 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,25 +3,25 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15728</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcTagHelpersPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreMvcTagHelpersPackageVersion>
-    <MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreWebSocketsPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreWebSocketsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersPhysicalPackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsFileProvidersPhysicalPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview3-17001</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcTagHelpersPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreMvcTagHelpersPackageVersion>
+    <MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreWebSocketsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreWebSocketsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersPhysicalPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsFileProvidersPhysicalPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingDebugPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26225-03</MicrosoftNETCoreApp21PackageVersion>
-    <NewtonsoftJsonPackageVersion>10.0.1</NewtonsoftJsonPackageVersion>
-    <SystemThreadingTasksDataflowPackageVersion>4.9.0-preview2-26224-02</SystemThreadingTasksDataflowPackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26314-02</MicrosoftNETCoreApp21PackageVersion>
+    <NewtonsoftJsonPackageVersion>11.0.1</NewtonsoftJsonPackageVersion>
+    <SystemThreadingTasksDataflowPackageVersion>4.9.0-preview2-26313-01</SystemThreadingTasksDataflowPackageVersion>
   </PropertyGroup>
   <Import Project="$(DotNetPackageVersionPropsPath)" Condition=" '$(DotNetPackageVersionPropsPath)' != '' " />
 </Project>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 138d848..3a326c7 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview2-15728
-commithash:393377068ddcf51dfee0536536d455f57a828b06
+version:2.1.0-preview3-17001
+commithash:dda68c56abf0d3b911fe6a2315872c446b314585