diff --git a/package.json b/package.json
index d3445c032c..55e2a71103 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
   "devDependencies": {
     "istanbul": "^1.1.0-alpha.1",
     "jshint": "^2.9.4",
-    "mocha": "^4.0.0",
+    "mocha": "^5.0.0",
     "nsp": "^3.0.0",
     "semistandard": "^12.0.0"
   }