diff --git a/package.json b/package.json
index ba2937d..5841d85 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,6 @@
   "homepage": "https://github.com/ukoloff/is-utf8",
   "devDependencies": {
     "coffee-script": "^1.10.0",
-    "mocha": "^2.4.5"
+    "mocha": "^2.5.0"
   }
 }