diff --git a/package.json b/package.json
index 38d68c0..15487bf 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "object-assign": "^4.0.1"
   },
   "devDependencies": {
-    "mocha": "^5.1.1",
+    "mocha": "^6.2.2",
     "casual": "^1.6.2",
     "42-cent-model": "^2.0.2"
   },