diff --git a/package.json b/package.json
index 1ea0a18..6b448dd 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@types/bluebird": "^3.5.36",
-    "@types/chai": "^4.3.12",
+    "@types/chai": "^5.0.1",
     "@types/graceful-fs": "^4.1.5",
     "@types/mocha": "^10.0.6",
     "@types/node": "^22.10.2",