diff --git a/package.json b/package.json
index b3c8776..c23e5e6 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "knip": "^6.0.0",
     "lint-staged": "^16.0.0",
     "mdast-util-from-markdown": "^2.0.2",
-    "mocha": "^11.3.0",
+    "mocha": "^12.0.0",
     "prettier": "3.9.6",
     "typescript": "^7.0.2",
     "yorkie": "^2.0.0"