diff --git a/package.json b/package.json
index 6cde2d5..06deaf5 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   },
   "homepage": "https://github.com/rdfjs-base/data-model",
   "devDependencies": {
-    "c8": "^9.1.0",
+    "c8": "^10.0.0",
     "mocha": "^10.3.0",
     "stricter-standard": "^0.3.0"
   }