diff --git a/wallet/v1/msg.proto b/wallet/v1/msg.proto
index 43a7423..4531364 100644
--- a/wallet/v1/msg.proto
+++ b/wallet/v1/msg.proto
@@ -339,6 +339,7 @@ enum TransactionType {
   LOCK = 12;
   IRT_DEPOSIT = 13;
   IRT_WITHDRAWAL = 14;
+  COMMISSION = 15;
 }
 
 enum TransactionStatus {