diff --git a/package.json b/package.json
index 82bfb44..bc1c3fc 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "karma-opera-launcher": "1.0.x",
     "karma-phantomjs-launcher": "1.0.x",
     "karma-serve-static": "1.0.x",
-    "mocha": "3.2.x",
+    "mocha": "~3.3.0",
     "standard": "10.x.x",
     "watchify": "3.9.x"
   },