diff --git a/build/dependencies.props b/build/dependencies.props
index cdf2db4fb1..fb6d76da2a 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,6 +3,7 @@
     <AspNetCoreVersion>2.0.0-*</AspNetCoreVersion>
     <BenchmarkDotNetVersion>0.10.3</BenchmarkDotNetVersion>
     <CoreFxVersion>4.4.0-*</CoreFxVersion>
+    <DiagnosticSourceVersion>4.4.1-*</DiagnosticSourceVersion>
     <DependencyModelVersion>2.0.0-*</DependencyModelVersion>
     <FSharpCoreVersion>4.1.0</FSharpCoreVersion>
     <FSharpNetSdkVersion>1.0.*</FSharpNetSdkVersion>
diff --git a/src/Microsoft.AspNetCore.Mvc.Core/Microsoft.AspNetCore.Mvc.Core.csproj b/src/Microsoft.AspNetCore.Mvc.Core/Microsoft.AspNetCore.Mvc.Core.csproj
index 85576939a1..2169c72d78 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/Microsoft.AspNetCore.Mvc.Core.csproj
+++ b/src/Microsoft.AspNetCore.Mvc.Core/Microsoft.AspNetCore.Mvc.Core.csproj
@@ -38,7 +38,7 @@ Microsoft.AspNetCore.Mvc.RouteAttribute</Description>
     <PackageReference Include="Microsoft.Extensions.PropertyActivator.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Extensions.PropertyHelper.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Extensions.SecurityHelper.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(CoreFxVersion)" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(DiagnosticSourceVersion)" />
   </ItemGroup>
 
 </Project>