diff --git a/package.json b/package.json
index fb9e310..3a66bd1 100644
--- a/package.json
+++ b/package.json
@@ -45,6 +45,6 @@
   "devDependencies": {
     "conventional-changelog": "^1.1.0",
     "istanbul": "^0.4.5",
-    "mocha": "^3.2.0"
+    "mocha": "^3.4.0"
   }
 }