diff --git a/package.json b/package.json
index 0744912..8c5fb2a 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "feathers-rest": "^1.2.4",
     "feathers-socketio": "^2.0.0",
     "istanbul": "^1.1.0-alpha.1",
-    "mocha": "^3.0.2",
+    "mocha": "^4.0.0",
     "rimraf": "^2.5.4",
     "semistandard": "^11.0.0"
   },