diff --git a/package.json b/package.json
index f9ba14b..72aa9b2 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,6 @@
     "grunt-contrib-clean": "^1.0.0",
     "grunt-contrib-uglify": "^3.0.0",
     "grunt-contrib-watch": "^1.0.0",
-    "mocha": "^3.2.0"
+    "mocha": "^6.0.2"
   }
 }