diff --git a/libraries/Microsoft.Bot.Builder.AI.Orchestrator/OrchestratorBotComponent.cs b/libraries/Microsoft.Bot.Builder.AI.Orchestrator/OrchestratorBotComponent.cs
index 09cbcb60b8..a213632d5d 100644
--- a/libraries/Microsoft.Bot.Builder.AI.Orchestrator/OrchestratorBotComponent.cs
+++ b/libraries/Microsoft.Bot.Builder.AI.Orchestrator/OrchestratorBotComponent.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
+using System;
 using Microsoft.Bot.Builder.Dialogs.Declarative;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -11,6 +12,7 @@ namespace Microsoft.Bot.Builder.AI.Orchestrator
     /// <summary>
     /// Define component assets for Orchestrator.
     /// </summary>
+    [Obsolete("The Bot Framework Orchestrator will be deprecated in the next version of the Bot Framework SDK.")]
     public class OrchestratorBotComponent : BotComponent
     {
         /// <inheritdoc/>
diff --git a/libraries/Microsoft.Bot.Builder.AI.Orchestrator/OrchestratorRecognizer.cs b/libraries/Microsoft.Bot.Builder.AI.Orchestrator/OrchestratorRecognizer.cs
index f40e8de1f2..a7942b4986 100644
--- a/libraries/Microsoft.Bot.Builder.AI.Orchestrator/OrchestratorRecognizer.cs
+++ b/libraries/Microsoft.Bot.Builder.AI.Orchestrator/OrchestratorRecognizer.cs
@@ -24,6 +24,7 @@ namespace Microsoft.Bot.Builder.AI.Orchestrator
     /// <summary>
     /// Class that represents an adaptive Orchestrator recognizer.
     /// </summary>
+    [Obsolete("The Bot Framework Orchestrator will be deprecated in the next version of the Bot Framework SDK.")]
     public class OrchestratorRecognizer : AdaptiveRecognizer
     {
         /// <summary>