diff --git a/constant.json b/constant.json
index 2df186e..2154a3f 100644
--- a/constant.json
+++ b/constant.json
@@ -1,6 +1,6 @@
 {
-  "WETH9": "0xcA617f677f3ecC8a36b3294B894a4b02E5057D07",
-  "UniswapV2Factory": "0x982c53456f071eBda75D504902eEF3b2240eC4b4",
-  "UniswapV2Router": "0xf8df68003844d52073e66cAB62C7bEBab0d11331",
-  "Multicall": "0x0736692ddFC002A43408df06A93bA6cacb4Baa23"
+  "WETH9": "0x5abA3177A50424C750Ab34d1708D818EDB9a8201",
+  "UniswapV2Factory": "0xC428448C8B64831FF7CB9E57f4A7e5bCB0e400E7",
+  "UniswapV2Router": "0x3dB08D939C3275c8bE3D9F656d040Da9d2F1d8e9",
+  "Multicall": "0xc12Ab3A49eb977055A91334f5b4fF1154aaFd863"
 }
\ No newline at end of file
diff --git a/hardhat.config.ts b/hardhat.config.ts
index 5493b5a..6974fef 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -14,10 +14,10 @@ const config: HardhatUserConfig = {
     customChains: [
       {
         network: 'boltchain',
-        chainId: 42069,
+        chainId: 16481,
         urls: {
-          apiURL: "https://blockscout.bolt.switcheo.network/api",
-          browserURL: "https://blockscout.bolt.switcheo.network"
+          apiURL: "https://sepolia.pivotalscan.xyz/api",
+          browserURL: "https://sepolia.pivotalscan.xyz"
         }
       }
     ]
@@ -27,7 +27,7 @@ const config: HardhatUserConfig = {
       blockGasLimit: 30000000,
     },
     boltchain: {
-      url: "https://rpc.bolt.switcheo.network",
+      url: "https://sepolia.pivotalprotocol.com",
       accounts: {
         mnemonic: process.env.MNEMONIC ?? "test test test test test test test test test test test test"
       }