diff --git a/build/dependencies.props b/build/dependencies.props
index d2659358ff..bf70e197a8 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,20 +4,20 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.11</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15726</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-preview2-30230</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-preview2-30230</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-30230</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15728</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>15.6.82</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildPackageVersion>15.6.82</MicrosoftBuildPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>15.6.82</MicrosoftBuildUtilitiesCorePackageVersion>
     <MicrosoftCodeAnalysisCommonPackageVersion>2.6.1</MicrosoftCodeAnalysisCommonPackageVersion>
     <MicrosoftCodeAnalysisCSharpPackageVersion>2.6.1</MicrosoftCodeAnalysisCSharpPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview2-30230</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-preview2-30230</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
-    <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-preview2-25711-01</MicrosoftExtensionsDependencyModelPackageVersion>
-    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-preview2-30230</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-preview2-30230</MicrosoftExtensionsWebEncodersPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
+    <MicrosoftExtensionsDependencyModelPackageVersion>2.1.0-preview2-26224-02</MicrosoftExtensionsDependencyModelPackageVersion>
+    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsWebEncodersPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26225-03</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.0</MicrosoftNETTestSdkPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index ad1d7d3c02..5ace9326ce 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview2-15726
-commithash:599e691c41f502ed9e062b1822ce13b673fc916e
+version:2.1.0-preview2-15728
+commithash:393377068ddcf51dfee0536536d455f57a828b06