diff --git a/build/dependencies.props b/build/dependencies.props
index e4237af6a9..f70aa4bbfb 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,83 +4,83 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.11</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15678</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAntiforgeryPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreAntiforgeryPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
-    <MicrosoftAspNetCoreAuthenticationPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreAuthenticationPackageVersion>
-    <MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>
-    <MicrosoftAspNetCoreCookiePolicyPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreCookiePolicyPackageVersion>
-    <MicrosoftAspNetCoreCorsPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreCorsPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreJsonPatchPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreJsonPatchPackageVersion>
-    <MicrosoftAspNetCoreLocalizationPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreLocalizationPackageVersion>
-    <MicrosoftAspNetCoreLocalizationRoutingPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreLocalizationRoutingPackageVersion>
-    <MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>2.1.0-preview1-28169</MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>
-    <MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>
-    <MicrosoftAspNetCoreRazorDesignPackageVersion>2.1.0-preview1-28169</MicrosoftAspNetCoreRazorDesignPackageVersion>
-    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-preview1-28169</MicrosoftAspNetCoreRazorRuntimePackageVersion>
-    <MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>2.1.0-preview1-28169</MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>
-    <MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreResponseCachingPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreResponseCachingPackageVersion>
-    <MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreRoutingPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreRoutingPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-28169</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreSessionPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreSessionPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.1.0-preview2-28169</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15694</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAntiforgeryPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreAntiforgeryPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
+    <MicrosoftAspNetCoreAuthenticationPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreAuthenticationPackageVersion>
+    <MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>
+    <MicrosoftAspNetCoreCookiePolicyPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreCookiePolicyPackageVersion>
+    <MicrosoftAspNetCoreCorsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreCorsPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreJsonPatchPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreJsonPatchPackageVersion>
+    <MicrosoftAspNetCoreLocalizationPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreLocalizationPackageVersion>
+    <MicrosoftAspNetCoreLocalizationRoutingPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreLocalizationRoutingPackageVersion>
+    <MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>
+    <MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>
+    <MicrosoftAspNetCoreRazorDesignPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreRazorDesignPackageVersion>
+    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreRazorRuntimePackageVersion>
+    <MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>
+    <MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreResponseCachingPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreResponseCachingPackageVersion>
+    <MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreRoutingPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreRoutingPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreSessionPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreSessionPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.1.0-preview2-30020</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
     <MicrosoftAspNetWebApiClientPackageVersion>5.2.4-preview1</MicrosoftAspNetWebApiClientPackageVersion>
     <MicrosoftCodeAnalysisCSharpPackageVersion>2.6.1</MicrosoftCodeAnalysisCSharpPackageVersion>
     <MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>2.6.1</MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>
-    <MicrosoftCodeAnalysisRazorPackageVersion>2.1.0-preview1-28169</MicrosoftCodeAnalysisRazorPackageVersion>
-    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsCachingMemoryPackageVersion>
-    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsConfigurationPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsConfigurationPackageVersion>
-    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftCodeAnalysisRazorPackageVersion>2.1.0-preview2-30020</MicrosoftCodeAnalysisRazorPackageVersion>
+    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsCachingMemoryPackageVersion>
+    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsConfigurationPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsConfigurationPackageVersion>
+    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsDependencyInjectionPackageVersion>
     <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-preview2-25711-01</MicrosoftExtensionsDependencyModelPackageVersion>
-    <MicrosoftExtensionsDiagnosticAdapterPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsDiagnosticAdapterPackageVersion>
-    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
-    <MicrosoftExtensionsFileProvidersCompositePackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsFileProvidersCompositePackageVersion>
-    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
-    <MicrosoftExtensionsFileSystemGlobbingPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsFileSystemGlobbingPackageVersion>
-    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
-    <MicrosoftExtensionsLocalizationPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsLocalizationPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsPrimitivesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsPrimitivesPackageVersion>
-    <MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>
-    <MicrosoftExtensionsPropertyHelperSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsPropertyHelperSourcesPackageVersion>
-    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
-    <MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>
-    <MicrosoftExtensionsValueStopwatchSourcesPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsValueStopwatchSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-preview2-28169</MicrosoftExtensionsWebEncodersPackageVersion>
+    <MicrosoftExtensionsDiagnosticAdapterPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsDiagnosticAdapterPackageVersion>
+    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
+    <MicrosoftExtensionsFileProvidersCompositePackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsFileProvidersCompositePackageVersion>
+    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
+    <MicrosoftExtensionsFileSystemGlobbingPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsFileSystemGlobbingPackageVersion>
+    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
+    <MicrosoftExtensionsLocalizationPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsLocalizationPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsPrimitivesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsPrimitivesPackageVersion>
+    <MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>
+    <MicrosoftExtensionsPropertyHelperSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsPropertyHelperSourcesPackageVersion>
+    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
+    <MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>
+    <MicrosoftExtensionsValueStopwatchSourcesPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsValueStopwatchSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-preview2-30020</MicrosoftExtensionsWebEncodersPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26122-01</MicrosoftNETCoreApp21PackageVersion>
-    <MicrosoftNetHttpHeadersPackageVersion>2.1.0-preview2-28169</MicrosoftNetHttpHeadersPackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26130-04</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNetHttpHeadersPackageVersion>2.1.0-preview2-30020</MicrosoftNetHttpHeadersPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NewtonsoftJsonBsonPackageVersion>1.0.1</NewtonsoftJsonBsonPackageVersion>
-    <SystemComponentModelAnnotationsPackageVersion>4.5.0-preview1-26119-06</SystemComponentModelAnnotationsPackageVersion>
-    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.0-preview1-26119-06</SystemDiagnosticsDiagnosticSourcePackageVersion>
-    <SystemThreadingTasksExtensionsPackageVersion>4.5.0-preview1-26119-06</SystemThreadingTasksExtensionsPackageVersion>
+    <SystemComponentModelAnnotationsPackageVersion>4.5.0-preview2-26130-01</SystemComponentModelAnnotationsPackageVersion>
+    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.0-preview2-26130-01</SystemDiagnosticsDiagnosticSourcePackageVersion>
+    <SystemThreadingTasksExtensionsPackageVersion>4.5.0-preview2-26130-01</SystemThreadingTasksExtensionsPackageVersion>
     <XunitAnalyzersPackageVersion>0.8.0</XunitAnalyzersPackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
     <XunitRunnerVisualStudioPackageVersion>2.3.1</XunitRunnerVisualStudioPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 84f798d53f..6f294ef0e6 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15678
-commithash:5347461137cb45a77ddcc0b55b2478092de43338
+version:2.1.0-preview2-15694
+commithash:f61af02b48e89592c9aadb7ebaebe84228666c3b