diff --git a/package.json b/package.json
index 7573f02..f49238e 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "mocha": "^9.0.0",
+    "mocha": "^10.0.0",
     "standard": "^17.0.0"
   },
   "scripts": {