diff --git a/package.json b/package.json
index bb4ec18..1e722bd 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "karma-opera-launcher": "^1.0.0",
     "karma-safari-launcher": "^1.0.0",
     "karma-sauce-launcher": "^1.0.0",
-    "mocha": "^3.0",
+    "mocha": "^6.2.0",
     "watchify": "^3.7.0"
   },
   "license": "MIT",