diff --git a/build/dependencies.props b/build/dependencies.props
index 3e55f9bc46..7d98c8d4b9 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -1,6 +1,7 @@
 <Project>
   <PropertyGroup>
     <AspNetCoreVersion>2.0.0-*</AspNetCoreVersion>
+    <DiagnosticSourceVersion>4.4.1-*</DiagnosticSourceVersion>
     <CoreFxVersion>4.4.0-*</CoreFxVersion>
     <InternalAspNetCoreSdkVersion>2.1.0-*</InternalAspNetCoreSdkVersion>
     <MoqVersion>4.7.49</MoqVersion>
diff --git a/src/Microsoft.AspNetCore.Diagnostics/Microsoft.AspNetCore.Diagnostics.csproj b/src/Microsoft.AspNetCore.Diagnostics/Microsoft.AspNetCore.Diagnostics.csproj
index 78fbca145d..24ce3289e4 100644
--- a/src/Microsoft.AspNetCore.Diagnostics/Microsoft.AspNetCore.Diagnostics.csproj
+++ b/src/Microsoft.AspNetCore.Diagnostics/Microsoft.AspNetCore.Diagnostics.csproj
@@ -28,7 +28,7 @@
     <PackageReference Include="Microsoft.Extensions.RazorViews.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
     <PackageReference Include="Microsoft.Extensions.StackTrace.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
     <PackageReference Include="Microsoft.Extensions.TypeNameHelper.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(CoreFxVersion)" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(DiagnosticSourceVersion)" />
     <PackageReference Include="System.Reflection.Metadata" Version="$(SystemReflectionMetadataVersion)" />
 
     <DotNetCliToolReference Include="RazorPageGenerator" Version="$(AspNetCoreVersion)" />
diff --git a/src/Microsoft.AspNetCore.MiddlewareAnalysis/Microsoft.AspNetCore.MiddlewareAnalysis.csproj b/src/Microsoft.AspNetCore.MiddlewareAnalysis/Microsoft.AspNetCore.MiddlewareAnalysis.csproj
index 9c95159771..1cd709ac64 100644
--- a/src/Microsoft.AspNetCore.MiddlewareAnalysis/Microsoft.AspNetCore.MiddlewareAnalysis.csproj
+++ b/src/Microsoft.AspNetCore.MiddlewareAnalysis/Microsoft.AspNetCore.MiddlewareAnalysis.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(CoreFxVersion)" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(DiagnosticSourceVersion)" />
   </ItemGroup>
 
 </Project>