diff --git a/_data/chains/eip155-52.json b/_data/chains/eip155-52.json
index faf4811b..a006f959 100644
--- a/_data/chains/eip155-52.json
+++ b/_data/chains/eip155-52.json
@@ -11,7 +11,7 @@
     "symbol": "cet",
     "decimals": 18
   },
-  "infoURL": "http://www.coinex.org/",
+  "infoURL": "https://www.coinex.org/",
   "shortName": "cet",
   "chainId": 52,
   "networkId": 52