diff --git a/package.json b/package.json
index 1daa6fa..108639f 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "@nodesecure/eslint-config": "^1.8.0",
-    "c8": "^8.0.1",
+    "c8": "^9.1.0",
     "eslint": "^8.50.0",
     "pkg-ok": "^3.0.0",
     "strip-ansi": "^7.1.0"