diff --git a/package.json b/package.json
index dd5643d..38f3275 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "define-async": "1.3.2",
     "eslint": "6.8.0",
     "http-server": "0.12.3",
-    "mocha": "7.1.2",
+    "mocha": "9.0.3",
     "mocha-chrome": "2.2.0",
     "proclaim": "3.6.0"
   }