diff --git a/lib/txMsgHelpers.ts b/lib/txMsgHelpers.ts
index cd35c2c..7ef92e2 100644
--- a/lib/txMsgHelpers.ts
+++ b/lib/txMsgHelpers.ts
@@ -5,6 +5,7 @@ import {
   TxMsgDelegate,
   TxMsgRedelegate,
   TxMsgSend,
+  TxMsgSetWithdrawAddress,
   TxMsgUndelegate,
 } from "../types/txMsg";
 
@@ -58,4 +59,19 @@ const isTxMsgClaimRewards = (msg: TxMsg | EncodeObject): msg is TxMsgClaimReward
   !!msg.value.delegatorAddress &&
   !!msg.value.validatorAddress;
 
-export { isTxMsgSend, isTxMsgDelegate, isTxMsgUndelegate, isTxMsgRedelegate, isTxMsgClaimRewards };
+const isTxMsgSetWithdrawAddress = (msg: TxMsg | EncodeObject): msg is TxMsgSetWithdrawAddress =>
+  msg.typeUrl === "/cosmos.distribution.v1beta1.MsgSetWithdrawAddress" &&
+  "value" in msg &&
+  "delegatorAddress" in msg.value &&
+  "withdrawAddress" in msg.value &&
+  !!msg.value.delegatorAddress &&
+  !!msg.value.withdrawAddress;
+
+export {
+  isTxMsgSend,
+  isTxMsgDelegate,
+  isTxMsgUndelegate,
+  isTxMsgRedelegate,
+  isTxMsgClaimRewards,
+  isTxMsgSetWithdrawAddress,
+};
diff --git a/types/txMsg.ts b/types/txMsg.ts
index b3d2ed4..30dbb4e 100644
--- a/types/txMsg.ts
+++ b/types/txMsg.ts
@@ -1,11 +1,18 @@
-export type TxType = "send" | "delegate" | "undelegate" | "redelegate" | "claimRewards";
+export type TxType =
+  | "send"
+  | "delegate"
+  | "undelegate"
+  | "redelegate"
+  | "claimRewards"
+  | "setWithdrawAddress";
 
 export type TxMsg =
   | TxMsgSend
   | TxMsgDelegate
   | TxMsgUndelegate
   | TxMsgRedelegate
-  | TxMsgClaimRewards;
+  | TxMsgClaimRewards
+  | TxMsgSetWithdrawAddress;
 
 export interface TxMsgSend {
   readonly typeUrl: "/cosmos.bank.v1beta1.MsgSend";
@@ -51,3 +58,11 @@ export interface TxMsgClaimRewards {
     readonly validatorAddress: string;
   };
 }
+
+export interface TxMsgSetWithdrawAddress {
+  readonly typeUrl: "/cosmos.distribution.v1beta1.MsgSetWithdrawAddress";
+  readonly value: {
+    readonly delegatorAddress: string;
+    readonly withdrawAddress: string;
+  };
+}