diff --git a/build/dependencies.props b/build/dependencies.props
index bc1a71ce9e..33fa1c80f5 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,29 +4,29 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.13</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-10015</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelCorePackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreServerKestrelCorePackageVersion>
-    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>3.0.0-alpha1-10173</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftExtensionsConfigurationAbstractionsPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsConfigurationAbstractionsPackageVersion>
-    <MicrosoftExtensionsConfigurationBinderPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsConfigurationBinderPackageVersion>
-    <MicrosoftExtensionsConfigurationJsonPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsConfigurationJsonPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsOptionsConfigurationExtensionsPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsOptionsConfigurationExtensionsPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10173</MicrosoftExtensionsOptionsPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20180731.2</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelCorePackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreServerKestrelCorePackageVersion>
+    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>3.0.0-alpha1-10221</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftExtensionsConfigurationAbstractionsPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsConfigurationAbstractionsPackageVersion>
+    <MicrosoftExtensionsConfigurationBinderPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsConfigurationBinderPackageVersion>
+    <MicrosoftExtensionsConfigurationJsonPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsConfigurationJsonPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsFileProvidersAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsOptionsConfigurationExtensionsPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsOptionsConfigurationExtensionsPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10221</MicrosoftExtensionsOptionsPackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.2</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETCoreApp22PackageVersion>2.2.0-preview1-26618-02</MicrosoftNETCoreApp22PackageVersion>
-    <MicrosoftNetHttpHeadersPackageVersion>3.0.0-alpha1-10173</MicrosoftNetHttpHeadersPackageVersion>
+    <MicrosoftNetHttpHeadersPackageVersion>3.0.0-alpha1-10221</MicrosoftNetHttpHeadersPackageVersion>
     <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 1e75dc3a23..8f9f6066ef 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:3.0.0-alpha1-10015
-commithash:3f36e5c2f061712f76f2766c435d2555681d5c55
+version:3.0.0-alpha1-20180731.2
+commithash:1179f1083695ac9213c8a70a4d1d6c45a52caf41