diff --git a/package.json b/package.json
index 7d60d81..e7bf96a 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "chai": "^4.2.0",
     "hexo": "^6.0.0",
-    "mocha": "^8.0.1",
+    "mocha": "^9.1.3",
     "eslint": "^8.6.0",
     "eslint-config-hexo": "^4.1.0",
     "nyc": "^15.0.0"