diff --git a/package.json b/package.json
index 0ec26ea..1bc4190 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
   ],
   "devDependencies": {
     "benchmark": "^2.1.4",
-    "c8": "^10.1.2",
+    "c8": "^11.0.0",
     "eslint": "^9.17.0",
     "neostandard": "^0.12.0",
     "tsd": "^0.33.0"