diff --git a/package.json b/package.json
index dd76a7e..1a39ed1 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "rdf-ext": "^2.5.1"
   },
   "devDependencies": {
-    "c8": "^9.1.0",
+    "c8": "^10.0.0",
     "mocha": "^10.4.0",
     "stricter-standard": "^0.3.1"
   }