diff --git a/build/dependencies.props b/build/dependencies.props
index 9a846e14b7..0853b0d1f3 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -8,6 +8,7 @@
     <FSharpNETSdkPackageVersion>1.0.5</FSharpNETSdkPackageVersion>
     <GoogleProtobufPackageVersion>3.1.0</GoogleProtobufPackageVersion>
     <InternalAspNetCoreSdkPackageVersion>$(KoreBuildVersion)</InternalAspNetCoreSdkPackageVersion>
+    <InternalAspNetCoreSiteExtensionSdkPackageVersion>$(KoreBuildVersion)</InternalAspNetCoreSiteExtensionSdkPackageVersion>
     <LibuvPackageVersion>1.10.0</LibuvPackageVersion>
     <MicrosoftApplicationInsightsAspNetCorePackageVersion>2.1.1</MicrosoftApplicationInsightsAspNetCorePackageVersion>
     <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>1.0.0-pre-10223</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
diff --git a/build/external-dependencies.props b/build/external-dependencies.props
index 4c77f97fd1..75a044ce13 100644
--- a/build/external-dependencies.props
+++ b/build/external-dependencies.props
@@ -198,6 +198,7 @@
   </PropertyGroup>
   <ItemGroup>
     <ExternalDependency Include="Internal.AspNetCore.Sdk" Version="$(InternalAspNetCoreSdkPackageVersion)" Source="$(AspNetCoreToolsFeed)" Private="true" />
+    <ExternalDependency Include="Internal.AspNetCore.SiteExtension.Sdk" Version="$(InternalAspNetCoreSiteExtensionSdkPackageVersion)" Source="$(AspNetCoreToolsFeed)" Private="true" />
     <ExternalDependency Include="Microsoft.AspNetCore.BuildTools.ApiCheck" Version="$(MicrosoftAspNetCoreBuildToolsApiCheckPackageVersion)" Source="$(AspNetCoreToolsFeed)" Private="true" />
   </ItemGroup>
   <!-- ASP.NET Core Module -->