diff --git a/src/services/messages/build/buildMessage.ts b/src/services/messages/build/buildMessage.ts
index 68848d4..7137c31 100644
--- a/src/services/messages/build/buildMessage.ts
+++ b/src/services/messages/build/buildMessage.ts
@@ -51,9 +51,9 @@ import {
   MsgCreateGroup,
   MsgSubmitProposal as MsgSubmitGroupProposal,
   MsgVote as MsgGroupVote,
+  MsgExec as MsgGroupExec,
 } from '../../../proto/cosmos/group/v1/tx_pb';
 import { MemberRequest } from '../../../proto/cosmos/group/v1/types_pb';
-
 const encoder = new TextEncoder();
 
 /**
@@ -175,6 +175,14 @@ export const buildMessage = (
       return msgGroupVote;
     }
 
+    case 'MsgExec': {
+      const { proposalId, executor } = params as MsgExecDisplay;
+      const msgExec = new MsgGroupExec()
+        .setProposalId(proposalId)
+        .setExecutor(executor);
+      return msgExec;
+    }
+
     case 'MsgInstantiateContract': {
       const { sender, admin, codeId, label, msg, fundsList } =
         params as MsgInstantiateContractDisplay;