diff --git a/build/dependencies.props b/build/dependencies.props
index 82fc963e22..2c8924bffc 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,42 +3,42 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15675</InternalAspNetCoreSdkPackageVersion>
-    <InternalAspNetCoreSiteExtensionSdkPackageVersion>2.1.0-preview1-15671</InternalAspNetCoreSiteExtensionSdkPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15692</InternalAspNetCoreSdkPackageVersion>
+    <InternalAspNetCoreSiteExtensionSdkPackageVersion>2.1.0-preview2-15692</InternalAspNetCoreSiteExtensionSdkPackageVersion>
     <MicrosoftApplicationInsightsAspNetCorePackageVersion>2.1.1</MicrosoftApplicationInsightsAspNetCorePackageVersion>
-    <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
+    <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
     <MicrosoftAspNetCoreAzureAppServicesHostingStartupVersion>2.1.0-preview1-27855</MicrosoftAspNetCoreAzureAppServicesHostingStartupVersion>
     <MicrosoftAspNetCoreAzureKeyVaultHostingStartupVersion>2.1.0-preview1-27855</MicrosoftAspNetCoreAzureKeyVaultHostingStartupVersion>
-    <MicrosoftAspNetCoreDataProtectionAzureKeyVaultPackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreDataProtectionAzureKeyVaultPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreIdentityServiceAzureKeyVaultPackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreIdentityServiceAzureKeyVaultPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreRazorRuntimePackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-28103</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview1-28103</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreDataProtectionAzureKeyVaultPackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreDataProtectionAzureKeyVaultPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreIdentityServiceAzureKeyVaultPackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreIdentityServiceAzureKeyVaultPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreRazorRuntimePackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview2-28215</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview2-28215</MicrosoftAspNetCoreTestHostPackageVersion>
     <MicrosoftAzureManagementFluentPackageVersion>1.1.3</MicrosoftAzureManagementFluentPackageVersion>
     <MicrosoftAzureServicesAppAuthenticationPackageVersion>1.1.0-preview</MicrosoftAzureServicesAppAuthenticationPackageVersion>
-    <MicrosoftExtensionsConfigurationAzureKeyVaultPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsConfigurationAzureKeyVaultPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsDiagnosticAdapterPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsDiagnosticAdapterPackageVersion>
-    <MicrosoftExtensionsLoggingAzureAppServicesPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsLoggingAzureAppServicesPackageVersion>
-    <MicrosoftExtensionsLoggingConfigurationPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsLoggingConfigurationPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsProcessSourcesPackageVersion>2.1.0-preview1-28103</MicrosoftExtensionsProcessSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationAzureKeyVaultPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsConfigurationAzureKeyVaultPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsDiagnosticAdapterPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsDiagnosticAdapterPackageVersion>
+    <MicrosoftExtensionsLoggingAzureAppServicesPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsLoggingAzureAppServicesPackageVersion>
+    <MicrosoftExtensionsLoggingConfigurationPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsLoggingConfigurationPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsProcessSourcesPackageVersion>2.1.0-preview2-28215</MicrosoftExtensionsProcessSourcesPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26115-03</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26130-04</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
     <MicrosoftWebXdtPackageVersion>1.4.0</MicrosoftWebXdtPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NewtonsoftJsonPackageVersion>10.0.1</NewtonsoftJsonPackageVersion>
-    <SystemReflectionMetadataPackageVersion>1.6.0-preview1-26112-01</SystemReflectionMetadataPackageVersion>
+    <SystemReflectionMetadataPackageVersion>1.6.0-preview2-26126-03</SystemReflectionMetadataPackageVersion>
     <WindowsAzureStoragePackageVersion>8.1.4</WindowsAzureStoragePackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
     <XunitRunnerVisualStudioPackageVersion>2.3.1</XunitRunnerVisualStudioPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index a1f0faa2a3..232cb858c2 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15675
-commithash:2ae69024f0d302f71128d9d0f1aeb99f199be47a
+version:2.1.0-preview2-15692
+commithash:5d9f445ce3f8492451a6f461df7e739bbed6a7f8