diff --git a/package.json b/package.json
index f5ca444..7831499 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "github-post-release": "1.13.1",
     "lazy-ass": "1.6.0",
     "license-checker": "15.0.0",
-    "mocha": "4.1.0",
+    "mocha": "5.1.1",
     "nsp": "2.8.1",
     "pre-git": "3.17.1",
     "prettier-standard": "7.0.3",