diff --git a/MeetingAssistant/Summary/LiteLlmResponsesChatClient.cs b/MeetingAssistant/Summary/LiteLlmResponsesChatClient.cs
index b571edb..136d34a 100644
--- a/MeetingAssistant/Summary/LiteLlmResponsesChatClient.cs
+++ b/MeetingAssistant/Summary/LiteLlmResponsesChatClient.cs
@@ -7,7 +7,6 @@ using System.Text.Json.Nodes;
 using Microsoft.Agents.AI.Compaction;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.Logging;
-using OpenAI;
 using OpenAI.Responses;
 
 namespace MeetingAssistant.Summary;
@@ -798,7 +797,7 @@ public sealed class LiteLlmResponsesChatClient : IChatClient
         string apiKey,
         AsyncLocal<string?> requestInitiator)
     {
-        var options = new OpenAIClientOptions
+        var options = new ResponsesClientOptions
         {
             Endpoint = httpClient.BaseAddress
                 ?? throw new InvalidOperationException("LiteLLM HTTP client requires a base address."),