diff --git a/_data/chains/eip155-1001.json b/_data/chains/eip155-1001.json
index bab04aee9fc4..3cc7755806c9 100644
--- a/_data/chains/eip155-1001.json
+++ b/_data/chains/eip155-1001.json
@@ -1,18 +1,15 @@
 {
-  "name": "Klaytn Testnet Baobab",
-  "chain": "KLAY",
-  "rpc": [
-    "https://public-en-baobab.klaytn.net",
-    "https://api.baobab.klaytn.net:8651"
-  ],
-  "faucets": ["https://baobab.wallet.klaytn.com/access?next=faucet"],
+  "name": "Kaia Testnet Kairos",
+  "chain": "KAIA",
+  "rpc": ["https://public-en.kairos.node.kaia.io"],
+  "faucets": ["https://faucet.kaia.io"],
   "nativeCurrency": {
-    "name": "KLAY",
-    "symbol": "KLAY",
+    "name": "KAIA",
+    "symbol": "KAIA",
     "decimals": 18
   },
-  "infoURL": "https://klaytn.foundation",
-  "shortName": "Baobab",
+  "infoURL": "https://kaia.io/",
+  "shortName": "kaia-kairos",
   "chainId": 1001,
   "networkId": 1001,
   "slip44": 1,
diff --git a/_data/chains/eip155-8217.json b/_data/chains/eip155-8217.json
index 85b52c4c5555..0c681e1750e9 100644
--- a/_data/chains/eip155-8217.json
+++ b/_data/chains/eip155-8217.json
@@ -1,15 +1,15 @@
 {
-  "name": "Klaytn Mainnet Cypress",
-  "chain": "KLAY",
+  "name": "Kaia Mainnet",
+  "chain": "KAIA",
   "rpc": ["https://public-en-cypress.klaytn.net"],
   "faucets": [],
   "nativeCurrency": {
-    "name": "KLAY",
-    "symbol": "KLAY",
+    "name": "KAIA",
+    "symbol": "KAIA",
     "decimals": 18
   },
-  "infoURL": "https://klaytn.foundation",
-  "shortName": "Cypress",
+  "infoURL": "https://kaia.io",
+  "shortName": "kaia-mainnet",
   "chainId": 8217,
   "networkId": 8217,
   "slip44": 8217,