diff --git a/build/dependencies.props b/build/dependencies.props
index 086bca4..aafde7e 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-preview2-15742</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcTagHelpersPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreMvcTagHelpersPackageVersion>
-    <MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreWebSocketsPackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreWebSocketsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview2-30355</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersPhysicalPackageVersion>2.1.0-preview2-30355</MicrosoftExtensionsFileProvidersPhysicalPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview2-30355</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview2-30355</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15749</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcTagHelpersPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreMvcTagHelpersPackageVersion>
+    <MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreWebSocketsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreWebSocketsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersPhysicalPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsFileProvidersPhysicalPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsLoggingDebugPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26314-02</MicrosoftNETCoreApp21PackageVersion>
-    <NewtonsoftJsonPackageVersion>10.0.1</NewtonsoftJsonPackageVersion>
-    <SystemThreadingTasksDataflowPackageVersion>4.9.0-preview2-26313-01</SystemThreadingTasksDataflowPackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26326-03</MicrosoftNETCoreApp21PackageVersion>
+    <NewtonsoftJsonPackageVersion>11.0.2</NewtonsoftJsonPackageVersion>
+    <SystemThreadingTasksDataflowPackageVersion>4.9.0-preview2-26326-04</SystemThreadingTasksDataflowPackageVersion>
   </PropertyGroup>
   <Import Project="$(DotNetPackageVersionPropsPath)" Condition=" '$(DotNetPackageVersionPropsPath)' != '' " />
 </Project>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index e40ef66..b8e036f 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview2-15742
-commithash:21fbb0f2c3fe4a9216e2d59632b98cfd7d685962
+version:2.1.0-preview2-15749
+commithash:5544c9ab20fa5e24b9e155d8958a3c3b6f5f9df9