diff --git a/package.json b/package.json
index 3292544..e5a58a6 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,6 @@
   },
   "devDependencies": {
     "chai": "^3.5.0",
-    "mocha": "^3.4.2"
+    "mocha": "^8.1.1"
   }
 }