diff --git a/package.json b/package.json
index 0a07d0f..cc4bd52 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
         "karma-phantomjs-launcher": "1.0.4",
         "load-grunt-tasks": "^3.5.2",
         "mkdirp": "0.5.1",
-        "mocha": "^5.2.0",
+        "mocha": "^6.0.0",
         "phantomjs-prebuilt": "^2.1.16",
         "rewire": "^3.0.2",
         "should": "^13.2.1",