diff --git a/lib/index.ts b/lib/index.ts
index 6e20b92..110c9c0 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -14,7 +14,7 @@ export { $on, $off } from './event'
 
 export { createWeb3Auth } from './plugin'
 
-export type { Chain, Options } from './types'
+export type { Chain, Options, MulticallArgs, MulticallContract } from './types'
 
 export { init } from './wc'
 
diff --git a/package.json b/package.json
index 07f457a..c212244 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kolirt/vue-web3-auth",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "Web3 authentication for Vue3 apps based on WalletConnect v2",
   "author": "kolirt",
   "license": "MIT",