diff --git a/src/service/mainnet/index.ts b/src/service/mainnet/index.ts
index 19492d0..523c475 100644
--- a/src/service/mainnet/index.ts
+++ b/src/service/mainnet/index.ts
@@ -16,7 +16,7 @@ export interface SmartContractData {
   smartContractCommittedHash: string;
 }
 
-const TRANSACTION_GAS_NUMBER = 250000000;
+const TRANSACTION_GAS_NUMBER = 12500000000
 
 export class MainnetClient {
   private web3: Web3;