diff --git a/package.json b/package.json
index dadc622..9846445 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "babel-cli": "^6.14.0",
     "babel-preset-es2015": "^6.14.0",
     "eslint": "^3.5.0",
-    "mocha": "^3.0.2",
+    "mocha": "^9.0.1",
     "rimraf": "^2.5.4",
     "webpack": "^1.13.2"
   }