diff --git a/package.json b/package.json
index 1f7fdd5..6b597cd 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   "devDependencies": {
     "coveralls": "^2.11.4",
     "istanbul": "^0.4.4",
-    "mocha": "^3.0.0"
+    "mocha": "^3.1.0"
   },
   "dependencies": {
     "sprintf-js": "^1.0.2"