diff --git a/package.json b/package.json
index 91c9c62..c1c7351 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,6 @@
     "karma-mocha": "^1.0.1",
     "karma-phantomjs-launcher": "^1.0.0",
     "karma-sauce-launcher": "^1.2.0",
-    "mocha": "^4.0.1"
+    "mocha": "^5.0.0"
   }
 }