diff --git a/package.json b/package.json
index f53ef19..ee72dbf 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "@bubltechnology/customizable-commit-analyzer": "^1.0.2-0",
-    "chai": "^3.5.0",
+    "chai": "^4.0.2",
     "condition-circle": "^1.5.0",
     "conventional-commit-types": "^2.1.0",
     "coveralls": "^2.13.0",