diff --git a/package.json b/package.json
index cc76159..a531aba 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@types/mocha": "^10.0.1",
     "@types/node": "^20.4.5",
     "@types/sinon": "^10.0.13",
-    "chai": "^4.3.7",
+    "chai": "^5.0.0",
     "express": "^4.18.2",
     "husky": "^8.0.3",
     "koa": "^2.14.1",