diff --git a/packages/solidity/aitbc-token/hardhat.config.ts b/packages/solidity/aitbc-token/hardhat.config.ts
index 90d4018e..2c6248e1 100644
--- a/packages/solidity/aitbc-token/hardhat.config.ts
+++ b/packages/solidity/aitbc-token/hardhat.config.ts
@@ -8,7 +8,8 @@ const config: HardhatUserConfig = {
       optimizer: {
         enabled: true,
         runs: 200
-      }
+      },
+      evmVersion: "shanghai"
     }
   },
   paths: {