diff --git a/package.json b/package.json
index e54815c..37b9b4e 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "@types/node": "^20.12.7",
     "beautify-benchmark": "0.2.4",
     "benchmark": "2.1.4",
-    "c8": "^7.14.0",
+    "c8": "^9.1.0",
     "standard": "^17.1.0",
     "tape": "^5.7.5",
     "tsd": "^0.31.0"