diff --git a/src/Zammad.Client/Resources/User.cs b/src/Zammad.Client/Resources/User.cs
index 88f7c69..d48b053 100644
--- a/src/Zammad.Client/Resources/User.cs
+++ b/src/Zammad.Client/Resources/User.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using Newtonsoft.Json;
 
@@ -13,6 +13,9 @@ public class User
         [JsonProperty("organization_id")]
         public int? OrganizationId { get; set; }
 
+        [JsonProperty("organization_ids")]
+        public int[] SecondaryOrganizationIds { get; set; }
+
         [JsonProperty("login")]
         public string Login { get; set; }