diff --git a/package.json b/package.json
index 5219956..10f82f0 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "which": "^7.0.0"
   },
   "devDependencies": {
-    "c8": "^11.0.0",
+    "c8": "^12.0.0",
     "eslint": "^9.17.0",
     "neostandard": "^0.13.0",
     "pre-commit": "git+https://git@github.com/fastify/pre-commit.git",