diff --git a/build/dependencies.props b/build/dependencies.props
index 556c89f6d3..389e868be6 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,22 +3,22 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15677</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-28118</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview1-28118</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-28118</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcRazorPagesPackageVersion>2.1.0-preview1-28118</MicrosoftAspNetCoreMvcRazorPagesPackageVersion>
-    <MicrosoftAspNetCoreRazorDesignPackageVersion>2.1.0-preview1-28118</MicrosoftAspNetCoreRazorDesignPackageVersion>
-    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-preview1-28118</MicrosoftAspNetCoreRazorRuntimePackageVersion>
-    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-28118</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-28118</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-28118</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15678</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-28132</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview1-28132</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-28132</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcRazorPagesPackageVersion>2.1.0-preview1-28132</MicrosoftAspNetCoreMvcRazorPagesPackageVersion>
+    <MicrosoftAspNetCoreRazorDesignPackageVersion>2.1.0-preview1-28132</MicrosoftAspNetCoreRazorDesignPackageVersion>
+    <MicrosoftAspNetCoreRazorRuntimePackageVersion>2.1.0-preview1-28132</MicrosoftAspNetCoreRazorRuntimePackageVersion>
+    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-28132</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-28132</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-28132</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftBuildTasksCorePackageVersion>15.3.409</MicrosoftBuildTasksCorePackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview1-28118</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-28118</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-28118</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-28118</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview1-28118</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview1-28132</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-28132</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-28132</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-28132</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview1-28132</MicrosoftExtensionsLoggingTestingPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26115-03</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index df1f345b7a..84f798d53f 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15677
-commithash:76ac40e0d67a4cc253cb4ecf35dda18c90a272ac
+version:2.1.0-preview1-15678
+commithash:5347461137cb45a77ddcc0b55b2478092de43338