diff --git a/core/package.json b/core/package.json
index 70988b216..6df18edc8 100644
--- a/core/package.json
+++ b/core/package.json
@@ -39,7 +39,7 @@
     "@typechain/ethers-v6": "^0.5.1",
     "@typechain/hardhat": "^9.1.0",
     "@types/chai": "^4.2.0",
-    "@types/mocha": ">=9.1.0",
+    "@types/mocha": "^9.1.0",
     "@types/node": "^20.9.4",
     "chai": "^4.3.10",
     "eslint": "^8.54.0",