diff --git a/package.json b/package.json
index 411dd69..53f9baa 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "eslint": "^3.1.0",
     "eslint-config-1602": "^1.0.0",
     "istanbul": "^1.1.0-alpha.1",
-    "mocha": "^2.5.3",
+    "mocha": "^5.2.0",
     "should": "^9.0.2"
   },
   "repository": {