diff --git a/package.json b/package.json
index 8db5f7b..b0cde72 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   "devDependencies": {
     "chai": "^3.4.0",
     "eslint": "^2.5.1",
-    "mocha": "^2.1.0",
+    "mocha": "^2.5.0",
     "zuul": "^3.7.0"
   },
   "spm": {