diff --git a/package.json b/package.json
index 88832f2..1e1c6aa 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "@types/chai": "^4.3.4",
     "typescript": "^2.2.1",
-    "chai": "^3.5.0",
+    "chai": "^4.3.7",
     "mocha": "^10.2.0",
     "@microsoft/microsoft-graph-client": "^0.3.2"
   }