diff --git a/build/dependencies.props b/build/dependencies.props
index 71899fbb17..94be369780 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>
     <InternalAspNetCoreSdkVersion>2.1.0-*</InternalAspNetCoreSdkVersion>
     <JsonNetVersion>10.0.1</JsonNetVersion>
diff --git a/test/Microsoft.AspNetCore.Razor.Test.MvcShim/Microsoft.AspNetCore.Razor.Test.MvcShim.csproj b/test/Microsoft.AspNetCore.Razor.Test.MvcShim/Microsoft.AspNetCore.Razor.Test.MvcShim.csproj
index 9e375507b0..8cbd6c7501 100644
--- a/test/Microsoft.AspNetCore.Razor.Test.MvcShim/Microsoft.AspNetCore.Razor.Test.MvcShim.csproj
+++ b/test/Microsoft.AspNetCore.Razor.Test.MvcShim/Microsoft.AspNetCore.Razor.Test.MvcShim.csproj
@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(CoreFxVersion)" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(DiagnosticSourceVersion)" />
   </ItemGroup>
 
 </Project>