diff --git a/package.json b/package.json
index b40fe2c..5c25a58 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "karma-safari-launcher": "^1.0.0",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^3.0.0",
-    "mocha": "^5.0.0",
+    "mocha": "^6.0.2",
     "nyc": "^12.0.1",
     "power-assert": "^1.4.4",
     "shx": "^0.3.0",