diff --git a/package.json b/package.json
index cdd5022..757a184 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "grunt-mocha-test": "^0.13.2",
     "grunt-yaml": "^0.4.2",
     "grunt-yamllint": "^0.3.0",
-    "mocha": "^8.1.3",
+    "mocha": "^9.2.2",
     "nyc": "^15.1.0",
     "typescript": "^4.1.3"
   },