diff --git a/_data/chains/eip155-16688.json b/_data/chains/eip155-16688.json
index 144aa230..8bdcf68a 100644
--- a/_data/chains/eip155-16688.json
+++ b/_data/chains/eip155-16688.json
@@ -1,7 +1,7 @@
 {
   "name": "IRIShub Testnet",
   "chain": "IRIShub",
-  "rpc": ["http://34.80.202.172:8545"],
+  "rpc": ["https://evmrpc.nyancat.irisnet.org"],
   "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
   "faucets": [],
   "nativeCurrency": {