diff --git a/package.json b/package.json
index 265cbf476..fee02180c 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
   "devDependencies": {
     "eslint": "^7.10.0",
     "fs-extra": "^0.30.0",
-    "mocha": "^8.1.3",
+    "mocha": "^9.0.1",
     "nyc": "^15.1.0",
     "rimraf": "^3.0.2",
     "unique-temp-dir": "^1.0.0"