diff --git a/package.json b/package.json
index 1ac8acf..e8b116f 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "eslint-plugin-prettier": "^3.3.1",
     "husky": "^5.1.3",
     "lint-staged": "^10.5.2",
-    "mocha": "^8.1.3",
+    "mocha": "^9.0.2",
     "nyc": "^15.0.1",
     "prettier": "^2.2.1",
     "rimraf": "^3.0.2",