diff --git a/build/dependencies.props b/build/dependencies.props
index 8346d7ed0b..fc726ff2da 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -5,88 +5,88 @@
   <PropertyGroup Label="Package Versions">
     <AngleSharpPackageVersion>0.9.9</AngleSharpPackageVersion>
     <BenchmarkDotNetPackageVersion>0.10.13</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-rc1-15774</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAntiforgeryPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAntiforgeryPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
-    <MicrosoftAspNetCoreAuthenticationPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAuthenticationPackageVersion>
-    <MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>
-    <MicrosoftAspNetCoreCookiePolicyPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreCookiePolicyPackageVersion>
-    <MicrosoftAspNetCoreCorsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreCorsPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreJsonPatchPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreJsonPatchPackageVersion>
-    <MicrosoftAspNetCoreLocalizationPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreLocalizationPackageVersion>
-    <MicrosoftAspNetCoreLocalizationRoutingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreLocalizationRoutingPackageVersion>
-    <MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>
-    <MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>
-    <MicrosoftAspNetCoreRazorDesignPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreRazorDesignPackageVersion>
-    <MicrosoftAspNetCoreRazorLanguagePackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreRazorLanguagePackageVersion>
-    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreRazorRuntimePackageVersion>
-    <MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>
-    <MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreResponseCachingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreResponseCachingPackageVersion>
-    <MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreRoutingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreRoutingPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreSessionPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreSessionPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.2.0-preview1-17037</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAntiforgeryPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreAntiforgeryPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
+    <MicrosoftAspNetCoreAuthenticationPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreAuthenticationPackageVersion>
+    <MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreAuthorizationPolicyPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreChunkingCookieManagerSourcesPackageVersion>
+    <MicrosoftAspNetCoreCookiePolicyPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreCookiePolicyPackageVersion>
+    <MicrosoftAspNetCoreCorsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreCorsPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreDiagnosticsAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreJsonPatchPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreJsonPatchPackageVersion>
+    <MicrosoftAspNetCoreLocalizationPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreLocalizationPackageVersion>
+    <MicrosoftAspNetCoreLocalizationRoutingPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreLocalizationRoutingPackageVersion>
+    <MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>
+    <MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreRangeHelperSourcesPackageVersion>
+    <MicrosoftAspNetCoreRazorDesignPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreRazorDesignPackageVersion>
+    <MicrosoftAspNetCoreRazorLanguagePackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreRazorLanguagePackageVersion>
+    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreRazorRuntimePackageVersion>
+    <MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreRazorTagHelpersTestingSourcesPackageVersion>
+    <MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreResponseCachingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreResponseCachingPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreResponseCachingPackageVersion>
+    <MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreRoutingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreRoutingPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreRoutingPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreSessionPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreSessionPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.2.0-preview1-34015</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
     <MicrosoftAspNetWebApiClientPackageVersion>5.2.4</MicrosoftAspNetWebApiClientPackageVersion>
     <MicrosoftCodeAnalysisCSharpPackageVersion>2.8.0-beta3</MicrosoftCodeAnalysisCSharpPackageVersion>
     <MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>2.8.0-beta3</MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>
-    <MicrosoftCodeAnalysisRazorPackageVersion>2.1.0-rc1-30613</MicrosoftCodeAnalysisRazorPackageVersion>
+    <MicrosoftCodeAnalysisRazorPackageVersion>2.2.0-preview1-34015</MicrosoftCodeAnalysisRazorPackageVersion>
     <MicrosoftDiaSymReaderNativePackageVersion>1.7.0</MicrosoftDiaSymReaderNativePackageVersion>
-    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsCachingMemoryPackageVersion>
-    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsConfigurationPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsConfigurationPackageVersion>
-    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-rc1-26419-02</MicrosoftExtensionsDependencyModelPackageVersion>
-    <MicrosoftExtensionsDiagnosticAdapterPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsDiagnosticAdapterPackageVersion>
-    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
-    <MicrosoftExtensionsFileProvidersCompositePackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsFileProvidersCompositePackageVersion>
-    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
-    <MicrosoftExtensionsFileSystemGlobbingPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsFileSystemGlobbingPackageVersion>
-    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
-    <MicrosoftExtensionsLocalizationPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLocalizationPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsParameterDefaultValueSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsParameterDefaultValueSourcesPackageVersion>
-    <MicrosoftExtensionsPrimitivesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsPrimitivesPackageVersion>
-    <MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>
-    <MicrosoftExtensionsPropertyHelperSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsPropertyHelperSourcesPackageVersion>
-    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
-    <MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>
-    <MicrosoftExtensionsValueStopwatchSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsValueStopwatchSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsWebEncodersPackageVersion>
+    <MicrosoftExtensionsCachingMemoryPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsCachingMemoryPackageVersion>
+    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsConfigurationPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsConfigurationPackageVersion>
+    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-preview3-26413-05</MicrosoftExtensionsDependencyModelPackageVersion>
+    <MicrosoftExtensionsDiagnosticAdapterPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsDiagnosticAdapterPackageVersion>
+    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
+    <MicrosoftExtensionsFileProvidersCompositePackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsFileProvidersCompositePackageVersion>
+    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
+    <MicrosoftExtensionsFileSystemGlobbingPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsFileSystemGlobbingPackageVersion>
+    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
+    <MicrosoftExtensionsLocalizationPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsLocalizationPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsObjectMethodExecutorSourcesPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsParameterDefaultValueSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsParameterDefaultValueSourcesPackageVersion>
+    <MicrosoftExtensionsPrimitivesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsPrimitivesPackageVersion>
+    <MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsPropertyActivatorSourcesPackageVersion>
+    <MicrosoftExtensionsPropertyHelperSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsPropertyHelperSourcesPackageVersion>
+    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
+    <MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsTypeNameHelperSourcesPackageVersion>
+    <MicrosoftExtensionsValueStopwatchSourcesPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsValueStopwatchSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>2.2.0-preview1-34015</MicrosoftExtensionsWebEncodersPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-rc1-26419-02</MicrosoftNETCoreApp21PackageVersion>
-    <MicrosoftNetHttpHeadersPackageVersion>2.1.0-rc1-30613</MicrosoftNetHttpHeadersPackageVersion>
-    <MicrosoftNETSdkRazorPackageVersion>2.1.0-rc1-30613</MicrosoftNETSdkRazorPackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview3-26413-05</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNetHttpHeadersPackageVersion>2.2.0-preview1-34015</MicrosoftNetHttpHeadersPackageVersion>
+    <MicrosoftNETSdkRazorPackageVersion>2.2.0-preview1-34015</MicrosoftNETSdkRazorPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NETStandardLibrary20PackageVersion>2.0.1</NETStandardLibrary20PackageVersion>
     <NewtonsoftJsonBsonPackageVersion>1.0.1</NewtonsoftJsonBsonPackageVersion>
-    <SystemComponentModelAnnotationsPackageVersion>4.5.0-rc1-26419-03</SystemComponentModelAnnotationsPackageVersion>
-    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.0-rc1-26419-03</SystemDiagnosticsDiagnosticSourcePackageVersion>
-    <SystemThreadingTasksExtensionsPackageVersion>4.5.0-rc1-26419-03</SystemThreadingTasksExtensionsPackageVersion>
+    <SystemComponentModelAnnotationsPackageVersion>4.5.0-preview3-26413-02</SystemComponentModelAnnotationsPackageVersion>
+    <SystemDiagnosticsDiagnosticSourcePackageVersion>4.5.0-preview3-26413-02</SystemDiagnosticsDiagnosticSourcePackageVersion>
+    <SystemThreadingTasksExtensionsPackageVersion>4.5.0-preview3-26413-02</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 9d4ef8c888..f27a67b442 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-rc1-15774
-commithash:ed5ca9de3c652347dbb0158a9a65eff3471d2114
+version:2.2.0-preview1-17037
+commithash:557055a86cbdc359c97d4fb1c2d23a3dc7ae731e