diff --git a/package.json b/package.json
index d89b0a6..70a47a4 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "license": "ISC",
   "dependencies": {
     "lodash": "^4.0.1",
-    "mocha": "^5.0.3",
+    "mocha": "^6.2.3",
     "must": "^0.13.1"
   }
 }