diff --git a/objects/shadowserver-malware-url-report/definition.json b/objects/shadowserver-malware-url-report/definition.json
index 9b66bb3..d2f88d2 100644
--- a/objects/shadowserver-malware-url-report/definition.json
+++ b/objects/shadowserver-malware-url-report/definition.json
@@ -61,6 +61,12 @@
       "multiple": true,
       "ui-priority": 0
     },
+    "severity": {
+      "description": "Severity of the report",
+      "disable_correlation": true,
+      "misp-attribute": "text",
+      "ui-priority": 0
+    },
     "sha256": {
       "description": "SHA256 of associated (potentially malicious) payload, if downloaded from the URL",
       "misp-attribute": "sha256",
@@ -99,5 +105,5 @@
     "url"
   ],
   "uuid": "0211496c-dbcf-465b-a147-3d965da016cc",
-  "version": 2
+  "version": 3
 }
\ No newline at end of file