diff --git a/package.json b/package.json
index e5bcdb8..c24787e 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "codacy-coverage": "^3.4.0",
     "coveralls": "^3.0.2",
     "google-closure-compiler": "^20190215.0.0-nightly",
-    "mocha": "^5.2.0",
+    "mocha": "^6.0.0",
     "mocha-lcov-reporter": "^1.3.0",
     "mocha-phantomjs": "^4.1.0",
     "nyc": "^13.1.0",