diff --git a/package.json b/package.json
index 956b7f7..23dfcda 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "@types/node": "^26.0.0",
     "beautify-benchmark": "^0.2.4",
     "benchmark": "^2.1.4",
-    "c8": "^11.0.0",
+    "c8": "^12.0.0",
     "eslint": "^9.17.0",
     "neostandard": "^0.13.0",
     "tstyche": "^7.0.0"