diff --git a/package.json b/package.json
index ca8624df6..cc62af546 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
   "devDependencies": {
     "glob": "^5.0.3",
     "istanbul": "0.4.5",
-    "mocha": "^4.0.0",
+    "mocha": "^6.0.0",
     "should": "^5.2.0"
   },
   "dependencies": {