diff --git a/package.json b/package.json
index e917499..e74f367 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "eslint-plugin-promise": "3.5.0",
     "eslint-plugin-standard": "3.0.1",
     "istanbul": "0.4.5",
-    "mocha": "1.21.5"
+    "mocha": "2.5.3"
   },
   "files": [
     "HISTORY.md",