diff --git a/package.json b/package.json
index c8abc41..3bde9f2 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "babel-preset-stage-0": "6.24.1",
     "babel-polyfill": "6.26.0",
     "debug": "4.3.1",
-    "mocha": "8.2.1"
+    "mocha": "8.4.0"
   },
   "dependencies": {
     "class-nonew-decorator": "^1.0.6"