diff --git a/src/DotNetCore.CAP/CAP.Options.cs b/src/DotNetCore.CAP/CAP.Options.cs
index 334c709..9c4a872 100644
--- a/src/DotNetCore.CAP/CAP.Options.cs
+++ b/src/DotNetCore.CAP/CAP.Options.cs
@@ -29,7 +29,7 @@ namespace DotNetCore.CAP
         /// <summary>
         /// We’ll send a POST request to the URL below with details of any subscribed events.
         /// </summary>
-        public WebHook WebHook { get; set; }
+        public WebHook WebHook => throw new NotSupportedException();
 
         /// <summary>
 		/// Registers an extension that will be executed when building services.