diff --git a/.mocharc.js b/.mocharc.js
index fac5fdfe67e..920662dbc7f 100644
--- a/.mocharc.js
+++ b/.mocharc.js
@@ -1,3 +1,4 @@
 module.exports = {
+  require: 'hardhat/register',
   timeout: 4000,
 };