diff --git a/build/dependencies.props b/build/dependencies.props
index 34a6299..c5eb9bd 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-preview1-15576</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcTagHelpersPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreMvcTagHelpersPackageVersion>
-    <MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreWebSocketsPackageVersion>2.1.0-preview1-27644</MicrosoftAspNetCoreWebSocketsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview1-27644</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersPhysicalPackageVersion>2.1.0-preview1-27644</MicrosoftExtensionsFileProvidersPhysicalPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-27644</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview1-27644</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15618</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcTagHelpersPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreMvcTagHelpersPackageVersion>
+    <MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreWebSocketsPackageVersion>2.1.0-preview1-27773</MicrosoftAspNetCoreWebSocketsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview1-27773</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersPhysicalPackageVersion>2.1.0-preview1-27773</MicrosoftExtensionsFileProvidersPhysicalPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-27773</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview1-27773</MicrosoftExtensionsLoggingDebugPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-25907-02</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-25915-01</MicrosoftNETCoreApp21PackageVersion>
     <NewtonsoftJsonPackageVersion>10.0.1</NewtonsoftJsonPackageVersion>
-    <SystemThreadingTasksDataflowPackageVersion>4.8.0</SystemThreadingTasksDataflowPackageVersion>
+    <SystemThreadingTasksDataflowPackageVersion>4.9.0-preview1-25914-04</SystemThreadingTasksDataflowPackageVersion>
   </PropertyGroup>
   <Import Project="$(DotNetPackageVersionPropsPath)" Condition=" '$(DotNetPackageVersionPropsPath)' != '' " />
 </Project>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 1a99066..e7cce93 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15576
-commithash:2f3856d2ba4f659fcb9253215b83946a06794a27
+version:2.1.0-preview1-15618
+commithash:00ce1383114015fe89b221146036e59e6bc11219