diff --git a/build/dependencies.props b/build/dependencies.props
index 89aeb80853..5a30ffd283 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,20 +3,20 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.2.0-preview1-20180821.1</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.2.0-preview2-35143</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftExtensionsActivatorUtilitiesSourcesPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsActivatorUtilitiesSourcesPackageVersion>
-    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsObjectPoolPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsObjectPoolPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsPrimitivesPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsPrimitivesPackageVersion>
-    <MicrosoftExtensionsWebEncodersSourcesPackageVersion>2.2.0-preview2-35143</MicrosoftExtensionsWebEncodersSourcesPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.2.0-preview1-20180907.8</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.2.0-preview3-35202</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftExtensionsActivatorUtilitiesSourcesPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsActivatorUtilitiesSourcesPackageVersion>
+    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsObjectPoolPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsObjectPoolPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsPrimitivesPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsPrimitivesPackageVersion>
+    <MicrosoftExtensionsWebEncodersSourcesPackageVersion>2.2.0-preview3-35202</MicrosoftExtensionsWebEncodersSourcesPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.9</MicrosoftNETCoreApp20PackageVersion>
-    <MicrosoftNETCoreApp21PackageVersion>2.1.2</MicrosoftNETCoreApp21PackageVersion>
-    <MicrosoftNETCoreApp22PackageVersion>2.2.0-preview1-26618-02</MicrosoftNETCoreApp22PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.3</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp22PackageVersion>2.2.0-preview2-26905-02</MicrosoftNETCoreApp22PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index ad704918df..312f82f9a5 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.2.0-preview1-20180821.1
-commithash:c8d0cc52cd1abb697be24e288ffd54f8fae8bf17
+version:2.2.0-preview1-20180907.8
+commithash:078918eb5c1f176ee1da351c584fb4a4d7491aa0