diff --git a/dotnet/Workloads/SignList.xml b/dotnet/Workloads/SignList.xml
index 55f95775d9e7..070d97351436 100644
--- a/dotnet/Workloads/SignList.xml
+++ b/dotnet/Workloads/SignList.xml
@@ -140,6 +140,8 @@
     <!-- Xamarin.Messaging -->
     <FirstParty Include="Merq.dll" />
     <FirstParty Include="Merq.Core.dll" />
+    <FirstParty Include="Microsoft.Extensions.DependencyInjection.Abstractions.dll" />
+    <FirstParty Include="Microsoft.Extensions.Logging.Abstractions.dll" />
     <!-- Broker.zip -->
     <FirstParty Include="Broker.exe" />
     <FirstParty Include="Broker.resources.dll" />
diff --git a/msbuild/Directory.Build.props b/msbuild/Directory.Build.props
index ddb57b208912..90341bf75516 100644
--- a/msbuild/Directory.Build.props
+++ b/msbuild/Directory.Build.props
@@ -15,7 +15,7 @@
 			https://dev.azure.com/azure-public/vside/_artifacts/feed/xamarin-impl/NuGet/Xamarin.Messaging.Client/
 
 		-->
-		<MessagingVersion Condition="'$(MessagingVersion)' == ''">[18.3.99-g08330b37ad]</MessagingVersion>
+		<MessagingVersion Condition="'$(MessagingVersion)' == ''">[18.11.15-g73d6b6539d]</MessagingVersion>
 	</PropertyGroup>
 	<Import Project="$(MSBuildThisFileDirectory)../Directory.Build.props" />
 </Project>