diff --git a/chains/sonic-testnet.json b/chains/sonic-testnet.json
new file mode 100644
index 0000000..b15dfbd
--- /dev/null
+++ b/chains/sonic-testnet.json
@@ -0,0 +1,17 @@
+{
+  "alias": "sonic-testnet",
+  "decimals": 18,
+  "explorer": {
+    "browserUrl": "https://public-sonic.fantom.network/"
+  },
+  "id": "64165",
+  "name": "Sonic testnet",
+  "providers": [
+    {
+      "alias": "default",
+      "rpcUrl": "https://rpc.sonic.fantom.network"
+    }
+  ],
+  "symbol": "FTM",
+  "testnet": true
+}
diff --git a/src/generated/chains.ts b/src/generated/chains.ts
index 8ae85ea..59692b5 100644
--- a/src/generated/chains.ts
+++ b/src/generated/chains.ts
@@ -1509,6 +1509,16 @@ export const CHAINS: Chain[] = [
     symbol: 'SEI',
     testnet: false,
   },
+  {
+    alias: 'sonic-testnet',
+    decimals: 18,
+    explorer: { browserUrl: 'https://public-sonic.fantom.network/' },
+    id: '64165',
+    name: 'Sonic testnet',
+    providers: [{ alias: 'default', rpcUrl: 'https://rpc.sonic.fantom.network' }],
+    symbol: 'FTM',
+    testnet: true,
+  },
   {
     alias: 'sx-testnet',
     decimals: 18,