diff --git a/build/MPack.targets b/build/MPack.targets
index 54ace6edf4..ce81b91622 100644
--- a/build/MPack.targets
+++ b/build/MPack.targets
@@ -30,7 +30,9 @@
         <Category>$(MPackArtifactCategory)</Category>
       </ArtifactInfo>
 
-      <FilesToExcludeFromSigning Include="$(MPackOutputPath)" />
+      <!-- Certificate=None means don't sign the .mpack file itself, but sign its contents. -->
+      <FilesToSign Include="$(MPackOutputPath)" Certificate="None" />
+      <FilesToSign Include="Microsoft.VisualStudio.Mac.RazorAddin.dll" Certificate="$(AssemblySigningCertName)" Container="$(MPackOutputPath)" />
     </ItemGroup>
   </Target>
 
diff --git a/build/VSIX.targets b/build/VSIX.targets
index 62fb263f3b..bc3460fd16 100644
--- a/build/VSIX.targets
+++ b/build/VSIX.targets
@@ -43,7 +43,7 @@
       </ArtifactInfo>
 
       <FilesToSign Include="$(VSIXOutputPath)" Certificate="$(VsixSigningCertName)" />
-      <FilesToSign Include="$(RepositoryRoot)tooling/Microsoft.VisualStudio.RazorExtension/bin/$(Configuration)/Microsoft.VisualStudio.RazorExtension.dll" Certificate="$(AssemblySigningCertName)" />
+      <FilesToSign Include="Microsoft.VisualStudio.RazorExtension.dll" Certificate="$(AssemblySigningCertName)" Container="$(VSIXOutputPath)" />
       <FilesToExcludeFromSigning Include="$(VSIXManifestOutputPath)" />
       <FilesToExcludeFromSigning Include="$(VSIXSymbolsOutputPath)" />
 
diff --git a/build/dependencies.props b/build/dependencies.props
index beb03568d8..4dc2b1d9e0 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,21 +4,21 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.13</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20181105.4</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>3.0.0-preview-181105-05</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>3.0.0-alpha1-10706</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-preview-181105-05</MicrosoftAspNetCoreTestingPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20181108.5</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>3.0.0-preview-181106-14</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>3.0.0-alpha1-10717</MicrosoftAspNetCoreHtmlAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-preview-181106-14</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>15.8.166</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildPackageVersion>15.8.166</MicrosoftBuildPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>15.8.166</MicrosoftBuildUtilitiesCorePackageVersion>
     <MicrosoftCodeAnalysisCommonPackageVersion>2.8.0</MicrosoftCodeAnalysisCommonPackageVersion>
     <MicrosoftCodeAnalysisCSharpPackageVersion>2.8.0</MicrosoftCodeAnalysisCSharpPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>3.0.0-preview-181105-05</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>3.0.0-preview-181105-05</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>3.0.0-preview-181106-14</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>3.0.0-preview-181106-14</MicrosoftExtensionsCopyOnWriteDictionarySourcesPackageVersion>
     <MicrosoftExtensionsDependencyModelPackageVersion>3.0.0-preview1-26907-05</MicrosoftExtensionsDependencyModelPackageVersion>
-    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>3.0.0-preview-181105-05</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
-    <MicrosoftExtensionsNonCapturingTimerSourcesPackageVersion>3.0.0-preview-181105-05</MicrosoftExtensionsNonCapturingTimerSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>3.0.0-alpha1-10706</MicrosoftExtensionsWebEncodersPackageVersion>
+    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>3.0.0-preview-181106-14</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
+    <MicrosoftExtensionsNonCapturingTimerSourcesPackageVersion>3.0.0-preview-181106-14</MicrosoftExtensionsNonCapturingTimerSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>3.0.0-alpha1-10717</MicrosoftExtensionsWebEncodersPackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.3</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETCoreApp30PackageVersion>3.0.0-preview1-26907-05</MicrosoftNETCoreApp30PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 649e205673..91d56e97da 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:3.0.0-alpha1-20181105.4
-commithash:de32928719981f10bc9ef49b5dbc1c239f134b28
+version:3.0.0-alpha1-20181108.5
+commithash:dae1d0c39ad86505e53f3629665714313bfd0d7d