diff --git a/build/dependencies.props b/build/dependencies.props
index c7895751bb..8bb74f83e6 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,86 +4,86 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.13</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15744</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAntiforgeryPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreAntiforgeryPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
-    <MicrosoftAspNetCoreAuthenticationPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreAuthenticationPackageVersion>
-    <MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>
-    <MicrosoftAspNetCoreCookiePolicyPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreCookiePolicyPackageVersion>
-    <MicrosoftAspNetCoreCorsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreCorsPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreJsonPatchPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreJsonPatchPackageVersion>
-    <MicrosoftAspNetCoreLocalizationPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreLocalizationPackageVersion>
-    <MicrosoftAspNetCoreLocalizationRoutingPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreLocalizationRoutingPackageVersion>
-    <MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>
-    <MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>
-    <MicrosoftAspNetCoreRazorDesignPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreRazorDesignPackageVersion>
-    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreRazorRuntimePackageVersion>
-    <MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>
-    <MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreResponseCachingPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreResponseCachingPackageVersion>
-    <MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreRoutingPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreRoutingPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreSessionPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreSessionPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.1.0-preview2-30479</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15749</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAntiforgeryPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreAntiforgeryPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
+    <MicrosoftAspNetCoreAuthenticationPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreAuthenticationPackageVersion>
+    <MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>
+    <MicrosoftAspNetCoreCookiePolicyPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreCookiePolicyPackageVersion>
+    <MicrosoftAspNetCoreCorsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreCorsPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreJsonPatchPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreJsonPatchPackageVersion>
+    <MicrosoftAspNetCoreLocalizationPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreLocalizationPackageVersion>
+    <MicrosoftAspNetCoreLocalizationRoutingPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreLocalizationRoutingPackageVersion>
+    <MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>
+    <MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>
+    <MicrosoftAspNetCoreRazorDesignPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreRazorDesignPackageVersion>
+    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreRazorRuntimePackageVersion>
+    <MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>
+    <MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreResponseCachingPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreResponseCachingPackageVersion>
+    <MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreRoutingPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreRoutingPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreSessionPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreSessionPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.1.0-preview2-30478</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
     <MicrosoftAspNetWebApiClientPackageVersion>5.2.4</MicrosoftAspNetWebApiClientPackageVersion>
     <MicrosoftCodeAnalysisCSharpPackageVersion>2.6.1</MicrosoftCodeAnalysisCSharpPackageVersion>
     <MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>2.6.1</MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>
-    <MicrosoftCodeAnalysisRazorPackageVersion>2.1.0-preview2-30479</MicrosoftCodeAnalysisRazorPackageVersion>
+    <MicrosoftCodeAnalysisRazorPackageVersion>2.1.0-preview2-30478</MicrosoftCodeAnalysisRazorPackageVersion>
     <MicrosoftDiaSymReaderNativePackageVersion>1.7.0</MicrosoftDiaSymReaderNativePackageVersion>
-    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsCachingMemoryPackageVersion>
-    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsConfigurationPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsConfigurationPackageVersion>
-    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-preview2-26313-01</MicrosoftExtensionsDependencyModelPackageVersion>
-    <MicrosoftExtensionsDiagnosticAdapterPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsDiagnosticAdapterPackageVersion>
-    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
-    <MicrosoftExtensionsFileProvidersCompositePackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsFileProvidersCompositePackageVersion>
-    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
-    <MicrosoftExtensionsFileSystemGlobbingPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsFileSystemGlobbingPackageVersion>
-    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
-    <MicrosoftExtensionsLocalizationPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsLocalizationPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsParameterDefaultValueSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsParameterDefaultValueSourcesPackageVersion>
-    <MicrosoftExtensionsPrimitivesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsPrimitivesPackageVersion>
-    <MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>
-    <MicrosoftExtensionsPropertyHelperSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsPropertyHelperSourcesPackageVersion>
-    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
-    <MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>
-    <MicrosoftExtensionsValueStopwatchSourcesPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsValueStopwatchSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-preview2-30479</MicrosoftExtensionsWebEncodersPackageVersion>
+    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsCachingMemoryPackageVersion>
+    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsConfigurationPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsConfigurationPackageVersion>
+    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-preview2-26326-03</MicrosoftExtensionsDependencyModelPackageVersion>
+    <MicrosoftExtensionsDiagnosticAdapterPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsDiagnosticAdapterPackageVersion>
+    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
+    <MicrosoftExtensionsFileProvidersCompositePackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsFileProvidersCompositePackageVersion>
+    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
+    <MicrosoftExtensionsFileSystemGlobbingPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsFileSystemGlobbingPackageVersion>
+    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
+    <MicrosoftExtensionsLocalizationPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsLocalizationPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsParameterDefaultValueSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsParameterDefaultValueSourcesPackageVersion>
+    <MicrosoftExtensionsPrimitivesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsPrimitivesPackageVersion>
+    <MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>
+    <MicrosoftExtensionsPropertyHelperSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsPropertyHelperSourcesPackageVersion>
+    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
+    <MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>
+    <MicrosoftExtensionsValueStopwatchSourcesPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsValueStopwatchSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-preview2-30478</MicrosoftExtensionsWebEncodersPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26314-02</MicrosoftNETCoreApp21PackageVersion>
-    <MicrosoftNetHttpHeadersPackageVersion>2.1.0-preview2-30479</MicrosoftNetHttpHeadersPackageVersion>
-    <MicrosoftNETSdkRazorPackageVersion>2.1.0-preview2-30479</MicrosoftNETSdkRazorPackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26326-03</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNetHttpHeadersPackageVersion>2.1.0-preview2-30478</MicrosoftNetHttpHeadersPackageVersion>
+    <MicrosoftNETSdkRazorPackageVersion>2.1.0-preview2-30478</MicrosoftNETSdkRazorPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NewtonsoftJsonBsonPackageVersion>1.0.1</NewtonsoftJsonBsonPackageVersion>
-    <SystemComponentModelAnnotationsPackageVersion>4.5.0-preview2-26313-01</SystemComponentModelAnnotationsPackageVersion>
-    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.0-preview2-26313-01</SystemDiagnosticsDiagnosticSourcePackageVersion>
-    <SystemThreadingTasksExtensionsPackageVersion>4.5.0-preview2-26313-01</SystemThreadingTasksExtensionsPackageVersion>
+    <SystemComponentModelAnnotationsPackageVersion>4.5.0-preview2-26326-04</SystemComponentModelAnnotationsPackageVersion>
+    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.0-preview2-26326-04</SystemDiagnosticsDiagnosticSourcePackageVersion>
+    <SystemThreadingTasksExtensionsPackageVersion>4.5.0-preview2-26326-04</SystemThreadingTasksExtensionsPackageVersion>
     <XunitAnalyzersPackageVersion>0.8.0</XunitAnalyzersPackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
     <XunitRunnerVisualStudioPackageVersion>2.4.0-beta.1.build3945</XunitRunnerVisualStudioPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index f531e7b0f7..b8e036fe2c 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview2-15744
-commithash:9e15cb6062ab5b9790d3fa699e018543a6950713
+version:2.1.0-preview2-15749
+commithash:5544c9ab20fa5e24b9e155d8958a3c3b6f5f9df9