diff --git a/src/chains/mainnet/migaloo.json b/src/chains/mainnet/migaloo.json
new file mode 100644
index 00000000..b1d9aa4a
--- /dev/null
+++ b/src/chains/mainnet/migaloo.json
@@ -0,0 +1,21 @@
+{
+    "chain_name": "whitewhale",
+    "coingecko": "",
+    "api": ["https://api.migaloo.silknodes.io"],
+    "rpc": ["https://rpc.migaloo.silknodes.io"],
+    "snapshot_provider": "",
+    "coin_type": 118,
+    "sdk_version": "0.45.9",
+    "addr_prefix": "migaloo",
+    "logo": "/logos/migaloo.png",
+    "assets": [
+      {
+        "base": "uwhale",
+        "symbol": "WHALE",
+        "exponent": 6,
+        "coingecko_id": "",
+        "logo": "/logos/whitewhale.jpg"
+      }
+    ]
+  }
+  
\ No newline at end of file
diff --git a/src/chains/mainnet/narwhal.json b/src/chains/mainnet/narwhal.json
deleted file mode 100644
index c8e06045..00000000
--- a/src/chains/mainnet/narwhal.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-    "chain_name": "narwhal",
-    "api": ["https://whitewhale-testnet-api.polkachu.com"],
-    "rpc": [ "https://whitewhale-testnet-rpc.polkachu.com"],
-    "sdk_version": "0.45.1",
-    "coin_type": "118",
-    "min_tx_fee": "800",
-    "addr_prefix": "migaloo",
-    "logo": "/logos/migaloo.png",
-    "assets": [{
-        "base": "uwhale",
-        "symbol": "WHALE",
-        "exponent": "6",
-        "coingecko_id": "", 
-        "logo": "/logos/migaloo.png"
-    }]
-}
\ No newline at end of file
diff --git a/src/chains/testnet/narwhal.json b/src/chains/testnet/narwhal.json
index c6fa3af6..dd3c3152 100644
--- a/src/chains/testnet/narwhal.json
+++ b/src/chains/testnet/narwhal.json
@@ -2,7 +2,7 @@
     "chain_name": "narwhal",
     "api": ["https://whitewhale-testnet-api.polkachu.com"],
     "rpc": [ "https://whitewhale-testnet-rpc.polkachu.com"],
-    "sdk_version": "0.45.1",
+    "sdk_version": "0.45.9",
     "coin_type": "118",
     "min_tx_fee": "800",
     "addr_prefix": "migaloo",