diff --git a/src/Spring/Spring.Messaging/Spring.Messaging.2005.csproj b/src/Spring/Spring.Messaging/Spring.Messaging.2005.csproj
index 8fc42205..e3a7e4a3 100644
--- a/src/Spring/Spring.Messaging/Spring.Messaging.2005.csproj
+++ b/src/Spring/Spring.Messaging/Spring.Messaging.2005.csproj
@@ -52,6 +52,8 @@
     <Compile Include="Messaging\Core\IMessageQueueFactory.cs" />
     <Compile Include="Messaging\Core\MessagePostProcessorDelegate.cs" />
     <Compile Include="Messaging\Core\MessageQueueGatewaySupport.cs" />
+    <Compile Include="Messaging\Core\MessageQueueMetadata.cs" />
+    <Compile Include="Messaging\Core\MessageQueueMetadataCache.cs" />
     <Compile Include="Messaging\Listener\AbstractSendToQueueExceptionHandler.cs" />
     <Compile Include="Messaging\Listener\AbstractTransactionalMessageListenerContainer.cs" />
     <Compile Include="Messaging\Listener\DistributedTxMessageListenerContainer.cs" />