diff --git a/package.json b/package.json
index c38116f..5e449d6 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "devDependencies": {
     "chai": "^4.0.1",
     "codecov": "^3.0.0",
-    "mocha": "^5.0.0",
+    "mocha": "^6.0.0",
     "nyc": "^12.0.1"
   }
 }