diff --git a/EssentialCSharp.Web/Controllers/ChatMessageRequest.cs b/EssentialCSharp.Web/Controllers/ChatMessageRequest.cs
index ca05d5ee..b0ca12c7 100644
--- a/EssentialCSharp.Web/Controllers/ChatMessageRequest.cs
+++ b/EssentialCSharp.Web/Controllers/ChatMessageRequest.cs
@@ -14,6 +14,5 @@ public class ChatMessageRequest
     /// hCaptcha token obtained from the client-side invisible widget.
     /// Required when <c>CaptchaOptions.SecretKey</c> is configured; ignored otherwise.
     /// </summary>
-    [StringLength(2000)]
     public string? CaptchaResponse { get; set; }
 }