diff --git a/src/service/mobile_config.proto b/src/service/mobile_config.proto
index bdc63061..865c2376 100644
--- a/src/service/mobile_config.proto
+++ b/src/service/mobile_config.proto
@@ -79,6 +79,9 @@ message gateway_info_v2 {
   // The unix epoch timestamp (in seconds)
   // when the gateway was first added to the database.
   uint64 created_at = 4;
+  // The unix epoch timestamp (in seconds)
+  // when the gateway parameters (highly possible) were changed in the database.
+  uint64 updated_at = 5;
 }
 
 message gateway_info_req_v1 {