diff --git a/_data/chains/eip155-6.json b/_data/chains/eip155-6.json
index 4e2a95e8..3025c817 100644
--- a/_data/chains/eip155-6.json
+++ b/_data/chains/eip155-6.json
@@ -1,7 +1,9 @@
 {
   "name": "Ethereum Classic Testnet Kotti",
   "chain": "ETC",
-  "rpc": [],
+  "rpc": [
+    "https://www.ethercluster.com/kotti"
+  ],
   "faucets": [],
   "nativeCurrency": {
     "name": "Kotti Ether",
diff --git a/_data/chains/eip155-61.json b/_data/chains/eip155-61.json
index f95a395d..006fa0b4 100644
--- a/_data/chains/eip155-61.json
+++ b/_data/chains/eip155-61.json
@@ -2,7 +2,7 @@
   "name": "Ethereum Classic Mainnet",
   "chain": "ETC",
   "rpc": [
-    "https://ethereumclassic.network"
+    "https://www.ethercluster.com/etc"
   ],
 "faucets": ["https://free-online-app.com/faucet-for-eth-evm-chains/?"],
   "nativeCurrency": {
diff --git a/_data/chains/eip155-63.json b/_data/chains/eip155-63.json
index 40e89a5c..4ce16591 100644
--- a/_data/chains/eip155-63.json
+++ b/_data/chains/eip155-63.json
@@ -1,7 +1,9 @@
 {
   "name": "Ethereum Classic Testnet Mordor",
   "chain": "ETC",
-  "rpc": [],
+  "rpc": [
+    "https://www.ethercluster.com/mordor"
+  ],
   "faucets": [],
   "nativeCurrency": {
     "name": "Mordor Classic Testnet Ether",