diff --git a/objects/asn/definition.json b/objects/asn/definition.json
index 22f7eeb..f38d35b 100644
--- a/objects/asn/definition.json
+++ b/objects/asn/definition.json
@@ -6,7 +6,7 @@
     "asn": {
       "description": "Autonomous System Number",
       "ui-priority": 1,
-      "misp-attribute": "as"
+      "misp-attribute": "AS"
     },
     "description": {
       "description": "Description of the autonomous system",
@@ -59,7 +59,7 @@
       "multiple": true
     }
   },
-  "version": 2,
+  "version": 3,
   "description": "Autonomous system object describing an autonomous system which can include one or more network operators management an entity (e.g. ISP) along with their routing policy, routing prefixes or alike.",
   "meta-category": "network",
   "uuid": "4ec55cc6-9e49-4c64-b794-03c25c1a6587",