diff --git a/src/Nest/CommonOptions/Stats/RefreshStats.cs b/src/Nest/CommonOptions/Stats/RefreshStats.cs
index 9846d08b9d4..7af8568d380 100644
--- a/src/Nest/CommonOptions/Stats/RefreshStats.cs
+++ b/src/Nest/CommonOptions/Stats/RefreshStats.cs
@@ -13,5 +13,17 @@ public class RefreshStats
 
 		[DataMember(Name ="total_time_in_millis")]
 		public long TotalTimeInMilliseconds { get; set; }
+
+		/// <summary>
+		/// Only valid for Elasticsearch 7.2.0 and above.
+		/// </summary>
+		[DataMember(Name ="external_total")]
+		public long ExternalTotal { get; set; }
+
+		/// <summary>
+		/// Only valid for Elasticsearch 7.2.0 and above.
+		/// </summary>
+		[DataMember(Name ="external_total_time_in_millis")]
+		public long ExternalTotalTimeInMilliseconds { get; set; }
 	}
 }