diff --git a/package.json b/package.json
index 7383e78..a51d98c 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "@bubltechnology/customizable-commit-analyzer": "1.0.2-0",
-    "chai": "3.5.0",
+    "chai": "4.1.2",
     "compression": "1.6.2",
     "condition-circle": "1.5.0",
     "cors": "2.8.3",