diff --git a/src/chains/testnet/jackal.json b/src/chains/testnet/jackal.json
index ee604b12..530067b3 100644
--- a/src/chains/testnet/jackal.json
+++ b/src/chains/testnet/jackal.json
@@ -1,8 +1,12 @@
 {
     "chain_name": "jackal",
     "coingecko": "jackal_protocol",
-    "api": "https://testnet-api.jackalprotocol.com",
-    "rpc": "https://testnet-rpc.jackalprotocol.com",
+    "api": [
+        "https://testnet-api.jackalprotocol.com"
+    ],
+    "rpc": [
+        "https://testnet-rpc.jackalprotocol.com"
+    ],
     "coin_type": "118",
     "sdk_version": "0.45.9",
     "addr_prefix": "jkl",