diff --git a/package.json b/package.json
index fbd0fb8..31e1a0f 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@types/express": "^4.17.23",
     "@types/node": "^24.10.1",
     "axios": "^1.13.2",
-    "chai": "^4.5.0",
+    "chai": "^6.2.1",
     "mocha": "^11.7.5",
     "typescript": "^5.9.3"
   },