diff --git a/package.json b/package.json
index eab4ed8..81f1025 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "async": "^2.1.1",
     "istanbul": "^0.4.2",
-    "mocha": "^3.1.2",
+    "mocha": "^3.4.0",
     "should": "^11.1.0"
   },
   "scripts": {