diff --git a/package.json b/package.json
index 20da97c..3372903 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,6 @@
   "devDependencies": {
     "42-cent-model": "^2.0.0",
     "casual": "1.5.19",
-    "mocha": "^5.1.1"
+    "mocha": "^6.1.4"
   }
 }