diff --git a/addon/models/work-order.js b/addon/models/work-order.js
index c60c454..aa336a6 100644
--- a/addon/models/work-order.js
+++ b/addon/models/work-order.js
@@ -19,6 +19,7 @@ export default class WorkOrderModel extends Model {
     /** @attributes */
     @attr('string') code;
     @attr('string') subject;
+    @attr('string') category;
     @attr('string') status;
     @attr('string') priority;
     @attr('string') instructions;
diff --git a/package.json b/package.json
index baac376..9357cca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@fleetbase/fleetops-data",
-    "version": "0.1.38",
+    "version": "0.1.39",
     "description": "Fleetbase Fleet-Ops based models, serializers, transforms, adapters and GeoJson utility functions.",
     "keywords": [
         "fleetbase-data",