diff --git a/hardhat.config.js b/hardhat.config.js
index d39d3d0..af922c1 100644
--- a/hardhat.config.js
+++ b/hardhat.config.js
@@ -63,6 +63,7 @@ require('hardhat-gas-reporter');
 require('hardhat-ignore-warnings');
 require('solidity-coverage');
 require('solidity-docgen');
+require('hardhat-tracer');
 
 for (const f of fs.readdirSync(path.join(__dirname, 'hardhat'))) {
   require(path.join(__dirname, 'hardhat', f));
@@ -103,6 +104,13 @@ module.exports = {
       // we rely on the `code-size` compiler warning, that will cause a compilation error.
       allowUnlimitedContractSize: true,
       initialBaseFeePerGas: argv.coverage ? 0 : undefined,
+      chains: {
+        31337: {
+          hardforkHistory: {
+            cancun: 0,
+          }
+        },
+      },
     },
   },
   exposed: {