diff --git a/package.json b/package.json
index d42901b..aef54dd 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "devDependencies": {
     "expect.js": "^0.3.1",
-    "mocha": "^3.0.2",
+    "mocha": "^5.1.1",
     "request": "^2.74.0"
   },
   "scripts": {