diff --git a/build/dependencies.props b/build/dependencies.props
index 8e18fbad78..4f56d40b82 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,32 +3,32 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview3-17001</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
-    <MicrosoftAspNetCoreAuthorizationPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreAuthorizationPackageVersion>
-    <MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHttpsPolicyPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreHttpsPolicyPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcTestingPackageVersion>2.1.0-preview3-32037</MicrosoftAspNetCoreMvcTestingPackageVersion>
-    <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>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
-    <MicrosoftExtensionsLoggingConfigurationPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingConfigurationPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview3-32037</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview3-17002</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
+    <MicrosoftAspNetCoreAuthorizationPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreAuthorizationPackageVersion>
+    <MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreDataProtectionExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHttpsPolicyPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreHttpsPolicyPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcTestingPackageVersion>2.1.0-preview3-32110</MicrosoftAspNetCoreMvcTestingPackageVersion>
+    <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>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsConfigurationUserSecretsPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsConfigurationUserSecretsPackageVersion>
+    <MicrosoftExtensionsLoggingConfigurationPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingConfigurationPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingTestingPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26326-03</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview3-26331-01</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETSdkRazorPackageVersion>2.1.0-preview3-32110</MicrosoftNETSdkRazorPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
-    <MicrosoftNETSdkRazorPackageVersion>2.1.0-preview3-32037</MicrosoftNETSdkRazorPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <XunitAnalyzersPackageVersion>0.8.0</XunitAnalyzersPackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index b8e036fe2c..b3af0b8bce 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview2-15749
-commithash:5544c9ab20fa5e24b9e155d8958a3c3b6f5f9df9
+version:2.1.0-preview3-17002
+commithash:b8e4e6ab104adc94c0719bb74229870e9b584a7f