diff --git a/package-lock.json b/package-lock.json
index 5229703..504d0ac 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12065,9 +12065,9 @@
       }
     },
     "node_modules/rdflib": {
-      "version": "2.3.9",
-      "resolved": "https://registry.npmjs.org/rdflib/-/rdflib-2.3.9.tgz",
-      "integrity": "sha512-6HnEQ22QzgqPW2/R8y5IaeQoXnho6U+ovU1q/ZF556zEnSK4buwhw8/CDdRDwIHZQh5+PAncQxUhluO3JmguJQ==",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/rdflib/-/rdflib-2.4.0.tgz",
+      "integrity": "sha512-DPBFlnkA7lWgskbgyPsRxHE5S/9Ni5KHNgwzrq8CucG+TBxEHTGRSeMKjWhZlZhBhmQFu0YQGjOYyrzmkX/gwg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {