diff --git a/package.json b/package.json
index b124983..14bd9b1 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "@types/node": "^14.0.1",
     "chai": "^4.1.2",
     "coveralls": "^3.0.7",
-    "mocha": "^7.0.1",
+    "mocha": "^9.0.3",
     "nyc": "15.1.0",
     "typescript": "^3.5.3"
   }