diff --git a/chain.js b/chain.js
index f9777c9..9e5fbf2 100644
--- a/chain.js
+++ b/chain.js
@@ -9,6 +9,7 @@ export const chainInfo = {}
 
 const _chains = [
     {id:42161, name:'Arbitrum'},
+    {id:421614, name:'Arbitrum Sepolia'},
     {id:31337, name:'Mockchain'},
     {id:1337, name:'Dexorder Alpha'},
 ]