diff --git a/package.json b/package.json
index 697d6ea..9a7dced 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "karma-mocha-reporter": "^2.0.5",
     "karma-phantomjs-launcher": "^1.0.0",
     "load-grunt-tasks": "^3.5.0",
-    "mocha": "^5.0.2",
+    "mocha": "^5.0.4",
     "phantomjs-prebuilt": "^2.1.8",
     "sinon": "^2.2.0",
     "unexpected": "^10.13.3",