diff --git a/package.json b/package.json
index 2ffe125..93b278c 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "karma-phantomjs-launcher": "^0.1.4",
     "karma-sinon-chai": "~0.1.5",
     "load-grunt-tasks": "~0.3.0",
-    "mocha": "~1.17.1",
+    "mocha": "~6.1.4",
     "partialify": "~3.0.0",
     "time-grunt": "~0.2.9"
   },