diff --git a/sdk/js/package.json b/sdk/js/package.json
index b8863918d..07f104c4f 100644
--- a/sdk/js/package.json
+++ b/sdk/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@certusone/wormhole-sdk",
-  "version": "0.10.2",
+  "version": "0.10.3",
   "description": "SDK for interacting with Wormhole",
   "homepage": "https://wormhole.com",
   "main": "./lib/cjs/index.js",
diff --git a/sdk/js/src/cosmwasm/address.ts b/sdk/js/src/cosmwasm/address.ts
index d52f8795b..dcb40c36b 100644
--- a/sdk/js/src/cosmwasm/address.ts
+++ b/sdk/js/src/cosmwasm/address.ts
@@ -14,14 +14,18 @@ import {
   CosmWasmChainId,
   CosmWasmChainName,
   isTerraChain,
+  CHAIN_ID_KUJIRA,
+  CHAIN_ID_OSMOSIS,
 } from "../utils";
 
 export const isNativeDenomInjective = (denom: string) => denom === "inj";
 export const isNativeDenomXpla = (denom: string) => denom === "axpla";
 export const isNativeDenomSei = (denom: string) => denom === "usei";
 export const isNativeDenomWormchain = (denom: string) => denom === "uworm";
+export const isNativeDenomOsmosis = (denom: string) => denom === "uosmo";
 export const isNativeDenomCosmosHub = (denom: string) => denom === "uatom";
 export const isNativeDenomEvmos = (denom: string) => denom === "aevmos";
+export const isNativeDenomKujira = (denom: string) => denom === "ukuji";
 
 export function isNativeCosmWasmDenom(
   chainId: CosmWasmChainId,
@@ -33,8 +37,10 @@ export function isNativeCosmWasmDenom(
     (chainId === CHAIN_ID_XPLA && isNativeDenomXpla(address)) ||
     (chainId === CHAIN_ID_SEI && isNativeDenomSei(address)) ||
     (chainId === CHAIN_ID_WORMCHAIN && isNativeDenomWormchain(address)) ||
+    (chainId === CHAIN_ID_OSMOSIS && isNativeDenomOsmosis(address)) ||
     (chainId === CHAIN_ID_COSMOSHUB && isNativeDenomCosmosHub(address)) ||
-    (chainId === CHAIN_ID_EVMOS && isNativeDenomEvmos(address))
+    (chainId === CHAIN_ID_EVMOS && isNativeDenomEvmos(address)) ||
+    (chainId === CHAIN_ID_KUJIRA && isNativeDenomKujira(address))
   );
 }
 
diff --git a/sdk/js/src/utils/array.ts b/sdk/js/src/utils/array.ts
index 0c062b114..a3ebe8e21 100644
--- a/sdk/js/src/utils/array.ts
+++ b/sdk/js/src/utils/array.ts
@@ -34,6 +34,7 @@ import {
   CHAIN_ID_BTC,
   CHAIN_ID_COSMOSHUB,
   CHAIN_ID_EVMOS,
+  CHAIN_ID_KUJIRA,
 } from "./consts";
 import { hashLookup } from "./near";
 import { getExternalAddressFromType, isValidAptosType } from "./aptos";
@@ -126,6 +127,8 @@ export const tryUint8ArrayToNative = (
     throw Error("uint8ArrayToNative: CosmosHub not supported yet.");
   } else if (chainId === CHAIN_ID_EVMOS) {
     throw Error("uint8ArrayToNative: Evmos not supported yet.");
+  } else if (chainId === CHAIN_ID_KUJIRA) {
+    throw Error("uint8ArrayToNative: Kujira not supported yet.");
   } else if (chainId === CHAIN_ID_SUI) {
     throw Error("uint8ArrayToNative: Sui not supported yet.");
   } else if (chainId === CHAIN_ID_APTOS) {
@@ -262,20 +265,22 @@ export const tryNativeToHexString = (
   } else if (chainId === CHAIN_ID_NEAR) {
     return uint8ArrayToHex(arrayify(sha256(Buffer.from(address))));
   } else if (chainId === CHAIN_ID_OSMOSIS) {
-    throw Error("hexToNativeString: Osmosis not supported yet.");
+    throw Error("nativeToHexString: Osmosis not supported yet.");
   } else if (chainId === CHAIN_ID_COSMOSHUB) {
-    throw Error("uint8ArrayToNative: CosmosHub not supported yet.");
+    throw Error("nativeToHexString: CosmosHub not supported yet.");
   } else if (chainId === CHAIN_ID_EVMOS) {
-    throw Error("uint8ArrayToNative: Evmos not supported yet.");
+    throw Error("nativeToHexString: Evmos not supported yet.");
+  } else if (chainId === CHAIN_ID_KUJIRA) {
+    throw Error("nativeToHexString: Kujira not supported yet.");
   } else if (chainId === CHAIN_ID_SUI) {
     if (!isValidSuiType(address) && isValidSuiAddress(address)) {
       return uint8ArrayToHex(
         zeroPad(arrayify(address, { allowMissingPrefix: true }), 32)
       );
     }
-    throw Error("hexToNativeString: Sui types not supported yet.");
+    throw Error("nativeToHexString: Sui types not supported yet.");
   } else if (chainId === CHAIN_ID_BTC) {
-    throw Error("hexToNativeString: Btc not supported yet.");
+    throw Error("nativeToHexString: Btc not supported yet.");
   } else if (chainId === CHAIN_ID_APTOS) {
     if (isValidAptosType(address)) {
       return getExternalAddressFromType(address);
@@ -285,7 +290,7 @@ export const tryNativeToHexString = (
       zeroPad(arrayify(address, { allowMissingPrefix: true }), 32)
     );
   } else if (chainId === CHAIN_ID_UNSET) {
-    throw Error("hexToNativeString: Chain id unset");
+    throw Error("nativeToHexString: Chain id unset");
   } else {
     // If this case is reached
     const _: never = chainId;
diff --git a/sdk/js/src/utils/consts.ts b/sdk/js/src/utils/consts.ts
index 0527adb87..2a6e0b909 100644
--- a/sdk/js/src/utils/consts.ts
+++ b/sdk/js/src/utils/consts.ts
@@ -34,6 +34,7 @@ export const CHAINS = {
   wormchain: 3104,
   cosmoshub: 4000,
   evmos: 4001,
+  kujira: 4002,
   sepolia: 10002,
 } as const;
 
@@ -84,6 +85,7 @@ export const CosmWasmChainNames = [
   "osmosis",
   "evmos",
   "cosmoshub",
+  "kujira",
 ] as const;
 export type CosmWasmChainName = typeof CosmWasmChainNames[number];
 
@@ -292,6 +294,11 @@ const MAINNET = {
     token_bridge: undefined,
     nft_bridge: undefined,
   },
+  kujira: {
+    core: undefined,
+    token_bridge: undefined,
+    nft_bridge: undefined,
+  },
 };
 
 const TESTNET = {
@@ -481,6 +488,11 @@ const TESTNET = {
     token_bridge: undefined,
     nft_bridge: undefined,
   },
+  kujira: {
+    core: undefined,
+    token_bridge: undefined,
+    nft_bridge: undefined,
+  },
 };
 
 const DEVNET = {
@@ -669,6 +681,11 @@ const DEVNET = {
     token_bridge: undefined,
     nft_bridge: undefined,
   },
+  kujira: {
+    core: undefined,
+    token_bridge: undefined,
+    nft_bridge: undefined,
+  },
 };
 
 /**
@@ -745,6 +762,7 @@ export const CHAIN_ID_WORMCHAIN = CHAINS["wormchain"];
 export const CHAIN_ID_GATEWAY = CHAIN_ID_WORMCHAIN;
 export const CHAIN_ID_COSMOSHUB = CHAINS["cosmoshub"];
 export const CHAIN_ID_EVMOS = CHAINS["evmos"];
+export const CHAIN_ID_KUJIRA = CHAINS["kujira"];
 export const CHAIN_ID_SEPOLIA = CHAINS["sepolia"];
 
 // This inverts the [[CHAINS]] object so that we can look up a chain by id