diff --git a/build/dependencies.props b/build/dependencies.props
index 3846924183..fdb43b76a8 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -96,11 +96,12 @@
   <!-- ASP.NET Core Tools feed -->
   <PropertyGroup>
     <AspNetCoreToolsFeed>https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json</AspNetCoreToolsFeed>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15541</InternalAspNetCoreSdkPackageVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <ExternalDependency Include="Internal.AspNetCore.Sdk" Version="2.1.1-preview1-15540" Source="$(AspNetCoreToolsFeed)" Private="true" Lineup="false" />
-    <ExternalDependency Include="Microsoft.AspNetCore.BuildTools.ApiCheck" Version="2.1.0-preview1-15540" Source="$(AspNetCoreToolsFeed)" Private="true" Lineup="false" />
+    <ExternalDependency Include="Internal.AspNetCore.Sdk" Version="$(InternalAspNetCoreSdkPackageVersion)" Source="$(AspNetCoreToolsFeed)" Private="true" Lineup="false" />
+    <ExternalDependency Include="Microsoft.AspNetCore.BuildTools.ApiCheck" Version="$(InternalAspNetCoreSdkPackageVersion)" Source="$(AspNetCoreToolsFeed)" Private="true" Lineup="false" />
   </ItemGroup>
 
   <!-- ASP.NET Core Module -->
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 4bdce1993f..5dfe0a2e0d 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15540
-commithash:f9a4508dd777e091f39ec57a53c4f514eaca8c39
+version:2.1.0-preview1-15541
+commithash:0f388d759de1c87fe58383bc9eb1020228885d4d