diff --git a/models/ShipyardShip.json b/models/ShipyardShip.json
index 21adc34..b3c0870 100644
--- a/models/ShipyardShip.json
+++ b/models/ShipyardShip.json
@@ -58,6 +58,7 @@
     }
   },
   "required": [
+    "type",
     "symbol",
     "name",
     "description",