diff --git a/package.json b/package.json
index 70f7409..b5d95fe 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "uri-templates": "^0.2.0"
   },
   "devDependencies": {
-    "c8": "^9.1.0",
+    "c8": "^10.0.0",
     "glob": "^10.4.1",
     "mocha": "^10.4.0",
     "rdf-ext": "^2.5.1",