diff --git a/PlanGrid.Api/RfiChange.cs b/PlanGrid.Api/RfiChange.cs
index a8b213e..150b85d 100644
--- a/PlanGrid.Api/RfiChange.cs
+++ b/PlanGrid.Api/RfiChange.cs
@@ -18,5 +18,11 @@ public class RfiChange
 
         [JsonProperty("new_value")]
         public JToken NewValue { get; set; }
+        
+        [JsonProperty("updated_at")]
+        public DateTime UpdatedAt { get; set; }
+
+        [JsonProperty("updated_by")]
+        public UserReference UpdatedBy { get; set; }
     }
 }