diff --git a/package.json b/package.json
index fb963dd..e586180 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@types/node": "^25.0.3",
-    "c8": "^10.1.3",
+    "c8": "^11.0.0",
     "eslint": "^9.6.0",
     "eslint-config-prettier": "^10.0.1",
     "eslint-plugin-prettier": "^5.1.3",