diff --git a/build/dependencies.props b/build/dependencies.props
index 4ada242a87..9335150db5 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,12 +3,12 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15721</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-30187</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftCSharpPackageVersion>4.5.0-preview2-26130-01</MicrosoftCSharpPackageVersion>
-    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-preview2-30187</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15728</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-30272</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftCSharpPackageVersion>4.5.0-preview2-26224-02</MicrosoftCSharpPackageVersion>
+    <MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>2.1.0-preview2-30272</MicrosoftExtensionsClosedGenericMatcherSourcesPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26130-04</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26225-03</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.0</MicrosoftNETTestSdkPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NewtonsoftJsonPackageVersion>10.0.1</NewtonsoftJsonPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index e6c7fddffa..138d848db1 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview2-15721
-commithash:f9bb4be59e39938ec59a6975257e26099b0d03c1
+version:2.1.0-preview2-15728
+commithash:393377068ddcf51dfee0536536d455f57a828b06