diff --git a/build/dependencies.props b/build/dependencies.props
index 36dc1ad6cd..7c785f51fb 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,44 +3,44 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15670</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAllPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreAllPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
-    <MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>
-    <MicrosoftAspNetCoreCookiePolicyPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreCookiePolicyPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreHttpsPolicyPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreHttpsPolicyPackageVersion>
-    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreIdentityUIPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreIdentityUIPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>
-    <MicrosoftAspNetCorePackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCorePackageVersion>
-    <MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>
-    <MicrosoftAspNetCoreSpaServicesPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreSpaServicesPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-28112</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15695</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAllPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreAllPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
+    <MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>
+    <MicrosoftAspNetCoreCookiePolicyPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreCookiePolicyPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreHttpsPolicyPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreHttpsPolicyPackageVersion>
+    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreIdentityUIPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreIdentityUIPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreMvcRazorViewCompilationPackageVersion>
+    <MicrosoftAspNetCorePackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCorePackageVersion>
+    <MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>
+    <MicrosoftAspNetCoreSpaServicesPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreSpaServicesPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview2-30024</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>15.3.409</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>15.3.409</MicrosoftBuildUtilitiesCorePackageVersion>
-    <MicrosoftEntityFrameworkCoreDesignPackageVersion>2.1.0-preview1-28112</MicrosoftEntityFrameworkCoreDesignPackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlitePackageVersion>2.1.0-preview1-28112</MicrosoftEntityFrameworkCoreSqlitePackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>2.1.0-preview1-28112</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>2.1.0-preview1-28112</MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsPackageVersion>2.1.0-preview1-28112</MicrosoftEntityFrameworkCoreToolsPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview1-28112</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsProcessSourcesPackageVersion>2.1.0-preview1-28112</MicrosoftExtensionsProcessSourcesPackageVersion>
+    <MicrosoftEntityFrameworkCoreDesignPackageVersion>2.1.0-preview2-30024</MicrosoftEntityFrameworkCoreDesignPackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlitePackageVersion>2.1.0-preview2-30024</MicrosoftEntityFrameworkCoreSqlitePackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>2.1.0-preview2-30024</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>2.1.0-preview2-30024</MicrosoftEntityFrameworkCoreToolsDotNetPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsPackageVersion>2.1.0-preview2-30024</MicrosoftEntityFrameworkCoreToolsPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.1.0-preview2-30024</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsProcessSourcesPackageVersion>2.1.0-preview2-30024</MicrosoftExtensionsProcessSourcesPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26115-03</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview2-26130-04</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
-    <MicrosoftVisualStudioWebBrowserLinkPackageVersion>2.1.0-preview1-28112</MicrosoftVisualStudioWebBrowserLinkPackageVersion>
-    <MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>2.1.0-preview1-28112</MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>
-    <MicrosoftVisualStudioWebCodeGenerationToolsPackageVersion>2.1.0-preview1-28112</MicrosoftVisualStudioWebCodeGenerationToolsPackageVersion>
+    <MicrosoftVisualStudioWebBrowserLinkPackageVersion>2.1.0-preview2-30024</MicrosoftVisualStudioWebBrowserLinkPackageVersion>
+    <MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>2.1.0-preview2-30024</MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>
+    <MicrosoftVisualStudioWebCodeGenerationToolsPackageVersion>2.1.0-preview2-30024</MicrosoftVisualStudioWebCodeGenerationToolsPackageVersion>
     <SeleniumFirefoxWebDriverPackageVersion>0.19.0</SeleniumFirefoxWebDriverPackageVersion>
     <SeleniumSupportPackageVersion>3.7.0</SeleniumSupportPackageVersion>
     <SeleniumWebDriverMicrosoftDriverPackageVersion>16.16299.0</SeleniumWebDriverMicrosoftDriverPackageVersion>
     <SeleniumWebDriverPackageVersion>3.7.0</SeleniumWebDriverPackageVersion>
-    <SystemSecurityPermissionsPackageVersion>4.5.0-preview1-26112-01</SystemSecurityPermissionsPackageVersion>
+    <SystemSecurityPermissionsPackageVersion>4.5.0-preview2-26130-01</SystemSecurityPermissionsPackageVersion>
     <XunitAnalyzersPackageVersion>0.8.0</XunitAnalyzersPackageVersion>
     <XunitPackageVersion>2.3.1</XunitPackageVersion>
     <XunitRunnerVisualStudioPackageVersion>2.3.1</XunitRunnerVisualStudioPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index db31b63687..2a2b5ddfcb 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15670
-commithash:49176144e03c3015d83b21e3f1d0ce093c05ecc3
+version:2.1.0-preview2-15695
+commithash:f06b51924c68c474a27da66643579d68be45250b