diff --git a/package.json b/package.json
index dfb309b..6ab9ddf 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "devDependencies": {
     "@rdfjs/data-model": "^2.0.1",
     "@rdfjs/namespace": "^2.0.1",
-    "c8": "^9.1.0",
+    "c8": "^10.0.0",
     "mocha": "^10.3.0",
     "stricter-standard": "^0.3.0"
   }