diff --git a/package.json b/package.json
index 3383317..652e9f3 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "ioredis": "^3.0.0",
     "istanbul": "^0.4.3",
     "safe-stable-stringify": "^1.0.0",
-    "mocha": "^5.0.0",
+    "mocha": "^6.0.0",
     "snazzy": "^8.0.0",
     "standard": "^11.0.0"
   }