diff --git a/package.json b/package.json
index 7c72226..6f8990b 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   },
   "homepage": "https://github.com/SuperID/super-alidayu",
   "devDependencies": {
-    "mocha": "^3.2.0"
+    "mocha": "^3.4.0"
   },
   "dependencies": {
     "lei-utils": "^3.1.0",