diff --git a/package.json b/package.json
index 04a335b..fbe6da6 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "marked": "^4.3.0"
   },
   "devDependencies": {
-    "c8": "^7.13.0",
+    "c8": "^8.0.0",
     "chai": "^4.3.7",
     "eslint": "^8.41.0",
     "eslint-config-hexo": "^5.0.0",