diff --git a/auth/v1/msg.proto b/auth/v1/msg.proto
index 4957773..2e1adff 100644
--- a/auth/v1/msg.proto
+++ b/auth/v1/msg.proto
@@ -181,8 +181,8 @@ message UserUpdateIdentityReq {
   string national_id = 2;
   string birthdate = 3;
   string email = 4;
-  string postal_code = 5;
-  string user_address = 6;
+  optional string postal_code = 5;
+  optional string user_address = 6;
 }
 
 message UserUpdateBankInfoReq {