diff --git a/package.json b/package.json
index 0f78b05..a47cd4b 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "w3c"
   ],
   "devDependencies": {
-    "c8": "10.1.3",
+    "c8": "12.0.0",
     "cheerio": "1.2.0",
     "eslint": "9.39.2",
     "eslint-plugin-unicorn": "62.0.0",