diff --git a/build/dependencies.props b/build/dependencies.props
index 23bd79dbc3..fabe537925 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,43 +3,43 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview3-17001</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationAbstractionsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreAuthenticationAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
-    <MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>
-    <MicrosoftAspNetCoreDataProtectionPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreDataProtectionPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsCachingMemoryPackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsWebEncodersPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview3-17002</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationAbstractionsPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreAuthenticationAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCorePackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreAuthenticationCorePackageVersion>
+    <MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>
+    <MicrosoftAspNetCoreDataProtectionPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreDataProtectionPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftExtensionsCachingMemoryPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsCachingMemoryPackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsFileProvidersEmbeddedPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsWebEncodersPackageVersion>
     <MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>3.14.2</MicrosoftIdentityModelClientsActiveDirectoryPackageVersion>
     <MicrosoftIdentityModelProtocolsOpenIdConnectPackageVersion>5.2.0</MicrosoftIdentityModelProtocolsOpenIdConnectPackageVersion>
     <MicrosoftIdentityModelProtocolsWsFederationPackageVersion>5.2.0</MicrosoftIdentityModelProtocolsWsFederationPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26314-02</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview3-26331-01</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
     <MicrosoftOwinSecurityCookiesPackageVersion>3.0.1</MicrosoftOwinSecurityCookiesPackageVersion>
     <MicrosoftOwinSecurityPackageVersion>3.0.1</MicrosoftOwinSecurityPackageVersion>
     <MicrosoftOwinTestingPackageVersion>3.0.1</MicrosoftOwinTestingPackageVersion>
-    <NewtonsoftJsonPackageVersion>11.0.1</NewtonsoftJsonPackageVersion>
+    <NewtonsoftJsonPackageVersion>11.0.2</NewtonsoftJsonPackageVersion>
     <SystemIdentityModelTokensJwtPackageVersion>5.2.0</SystemIdentityModelTokensJwtPackageVersion>
     <XunitAnalyzersPackageVersion>0.8.0</XunitAnalyzersPackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 3a326c7d58..b3af0b8bce 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview3-17001
-commithash:dda68c56abf0d3b911fe6a2315872c446b314585
+version:2.1.0-preview3-17002
+commithash:b8e4e6ab104adc94c0719bb74229870e9b584a7f