diff --git a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/Session/AsyncWebsocketDataResultEnumerator.cs b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/Session/AsyncWebsocketDataResultEnumerator.cs
index 1d0a3da2..d2950fe1 100644
--- a/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/Session/AsyncWebsocketDataResultEnumerator.cs
+++ b/src/Plugins/BotSharp.Plugin.OpenAI/Providers/Realtime/Session/AsyncWebsocketDataResultEnumerator.cs
@@ -24,6 +24,7 @@ public class AsyncWebsocketDataResultEnumerator : IAsyncEnumerator<ClientResult>
 
     public ValueTask DisposeAsync()
     {
+        ArrayPool<byte>.Shared.Return(_buffer, clearArray: true);
         _webSocket?.Dispose();
         return new ValueTask(Task.CompletedTask);
     }