diff --git a/administrator/components/com_jedchecker/libraries/rules/xmlmanifest/dtd_package.json b/administrator/components/com_jedchecker/libraries/rules/xmlmanifest/dtd_package.json
index 703fb88..d46ca2e 100644
--- a/administrator/components/com_jedchecker/libraries/rules/xmlmanifest/dtd_package.json
+++ b/administrator/components/com_jedchecker/libraries/rules/xmlmanifest/dtd_package.json
@@ -17,6 +17,7 @@
       "languages": "?",
       "updateservers": "?",
       "dlid": "?",
+      "url": "?",
       "packager": "?",
       "packagerurl": "?",
       "blockChildUninstall": "?"