diff --git a/evmchains/chains.py b/evmchains/chains.py
index d97223c..b7fa8ed 100644
--- a/evmchains/chains.py
+++ b/evmchains/chains.py
@@ -1,5 +1,5 @@
 # This file is auto-generated by scripts/update.py
-# 2024-05-16 20:07:59.147046
+# 2024-05-17 16:06:29.822636
 # Do not edit this file directly.
 from typing import Any, Dict
 
@@ -974,7 +974,7 @@
             "shortName": "rsk",
             "slip44": 137,
         },
-        "tesnet": {
+        "testnet": {
             "chain": "Rootstock",
             "chainId": 31,
             "ens": None,
diff --git a/scripts/update.py b/scripts/update.py
index ca25f3f..dc2bc77 100644
--- a/scripts/update.py
+++ b/scripts/update.py
@@ -78,7 +78,7 @@
     },
     "rootstock": {
         "mainnet": 30,
-        "tesnet": 31,
+        "testnet": 31,
     },
 }