diff --git a/build/dependencies.props b/build/dependencies.props
index 6d392beab8..bc185e8407 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,44 +3,44 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-rc1-15774</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAllPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAllPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHttpOverridesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHttpOverridesPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreHttpSysSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreHttpSysSourcesPackageVersion>
-    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview2-30613</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-rc1-30613</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <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>
+    <MicrosoftAspNetCoreAllPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreAllPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHttpOverridesPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreHttpOverridesPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreHttpSysSourcesPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreHttpSysSourcesPackageVersion>
+    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview3-34029</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftAspNetCoreWebUtilitiesPackageVersion>2.2.0-preview1-34029</MicrosoftAspNetCoreWebUtilitiesPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>15.6.82</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>15.6.82</MicrosoftBuildUtilitiesCorePackageVersion>
-    <MicrosoftExtensionsBuffersSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsBuffersSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <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>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-rc1-30613</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
+    <MicrosoftExtensionsBuffersSourcesPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsBuffersSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.2.0-preview1-34029</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-rc1-26419-02</MicrosoftNETCoreApp21PackageVersion>
-    <MicrosoftNetHttpHeadersPackageVersion>2.1.0-rc1-30613</MicrosoftNetHttpHeadersPackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview3-26413-05</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNetHttpHeadersPackageVersion>2.2.0-preview1-34029</MicrosoftNetHttpHeadersPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
     <NETStandardLibrary20PackageVersion>2.0.1</NETStandardLibrary20PackageVersion>
-    <SystemBuffersPackageVersion>4.5.0-rc1-26419-03</SystemBuffersPackageVersion>
-    <SystemIOPipelinesPackageVersion>4.5.0-rc1-26419-03</SystemIOPipelinesPackageVersion>
-    <SystemMemoryPackageVersion>4.5.0-rc1-26419-03</SystemMemoryPackageVersion>
-    <SystemNetWebSocketsWebSocketProtocolPackageVersion>4.5.0-rc1-26419-03</SystemNetWebSocketsWebSocketProtocolPackageVersion>
-    <SystemNumericsVectorsPackageVersion>4.5.0-rc1-26419-03</SystemNumericsVectorsPackageVersion>
-    <SystemRuntimeCompilerServicesUnsafePackageVersion>4.5.0-rc1-26419-03</SystemRuntimeCompilerServicesUnsafePackageVersion>
-    <SystemSecurityPrincipalWindowsPackageVersion>4.5.0-rc1-26419-03</SystemSecurityPrincipalWindowsPackageVersion>
+    <SystemBuffersPackageVersion>4.5.0-preview3-26413-02</SystemBuffersPackageVersion>
+    <SystemIOPipelinesPackageVersion>4.5.0-preview3-26413-02</SystemIOPipelinesPackageVersion>
+    <SystemMemoryPackageVersion>4.5.0-preview3-26413-02</SystemMemoryPackageVersion>
+    <SystemNetWebSocketsWebSocketProtocolPackageVersion>4.5.0-preview3-26413-02</SystemNetWebSocketsWebSocketProtocolPackageVersion>
+    <SystemNumericsVectorsPackageVersion>4.5.0-preview3-26413-02</SystemNumericsVectorsPackageVersion>
+    <SystemRuntimeCompilerServicesUnsafePackageVersion>4.5.0-preview3-26413-02</SystemRuntimeCompilerServicesUnsafePackageVersion>
+    <SystemSecurityPrincipalWindowsPackageVersion>4.5.0-preview3-26413-02</SystemSecurityPrincipalWindowsPackageVersion>
     <Tooling_NewtonsoftJsonPackageVersion>9.0.1</Tooling_NewtonsoftJsonPackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
     <XunitRunnerVisualStudioPackageVersion>2.4.0-beta.1.build3945</XunitRunnerVisualStudioPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index ce2f277c53..790ae84e6d 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview3-17018
-commithash:af264ca131f212b5ba8aafbc5110fc0fc510a2be
+version:2.2.0-preview1-17037
+commithash:557055a86cbdc359c97d4fb1c2d23a3dc7ae731e