diff --git a/package.json b/package.json
index 0664ed3..3fdf8c0 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "ava": "^3.1.0",
-    "c8": "^9.0.0",
+    "c8": "^10.0.0",
     "coveralls": "^3.0.0",
     "eslint": "^8.55.0",
     "eslint-config-problems": "8.0.0",