diff --git a/src/Grpc/orchestrator_service.proto b/src/Grpc/orchestrator_service.proto
index 7e38f67e8..d59bca3ca 100644
--- a/src/Grpc/orchestrator_service.proto
+++ b/src/Grpc/orchestrator_service.proto
@@ -295,6 +295,7 @@ message CompleteOrchestrationAction {
     google.protobuf.StringValue newVersion = 4;
     repeated HistoryEvent carryoverEvents = 5;
     TaskFailureDetails failureDetails = 6;
+    map<string, string> tags = 7;
 }
 
 message TerminateOrchestrationAction {
diff --git a/src/Grpc/versions.txt b/src/Grpc/versions.txt
index 9f3e2a164..f3ec814a8 100644
--- a/src/Grpc/versions.txt
+++ b/src/Grpc/versions.txt
@@ -1,2 +1,2 @@
-# The following files were downloaded from branch main at 2025-11-04 03:02:50 UTC
-https://raw.githubusercontent.com/microsoft/durabletask-protobuf/73592a81dac1b5dd8653bb5ed1099aee2c89e3a2/protos/orchestrator_service.proto
+# The following files were downloaded from branch main at 2025-11-04 23:19:51 UTC
+https://raw.githubusercontent.com/microsoft/durabletask-protobuf/8c0d166673593700cfa9d0b123cd55e025b2846e/protos/orchestrator_service.proto
diff --git a/src/Shared/Grpc/ProtoUtils.cs b/src/Shared/Grpc/ProtoUtils.cs
index ac31aea4d..db803563a 100644
--- a/src/Shared/Grpc/ProtoUtils.cs
+++ b/src/Shared/Grpc/ProtoUtils.cs
@@ -470,7 +470,12 @@ internal static P.OrchestratorResponse ConstructOrchestratorResponse(
                         NewVersion = completeAction.NewVersion,
                         OrchestrationStatus = completeAction.OrchestrationStatus.ToProtobuf(),
                         Result = completeAction.Result,
-                    };
+                    };
+
+                    foreach (KeyValuePair<string, string> tag in completeAction.Tags)
+                    {
+                        protoAction.CompleteOrchestration.Tags[tag.Key] = tag.Value;
+                    }
 
                     if (completeAction.OrchestrationStatus == OrchestrationStatus.Failed)
                     {