diff --git a/packages/hardhat/package.json b/packages/hardhat/package.json
index 252b45f..12db732 100644
--- a/packages/hardhat/package.json
+++ b/packages/hardhat/package.json
@@ -7,7 +7,7 @@
     "@nomicfoundation/hardhat-toolbox": "^2.0.2",
     "@openzeppelin/contracts": "^5.1.0",
     "@synthetixio/synpress": "^4.0.3",
-    "chai": "^4.3.7",
+    "chai": "^5.2.0",
     "chalk": "^5.2.0",
     "dotenv": "^16.4.7",
     "hardhat": "2.22.18",