diff --git a/models/Ship.json b/models/Ship.json
index c65555f..eba5686 100644
--- a/models/Ship.json
+++ b/models/Ship.json
@@ -43,6 +43,9 @@
     },
     "fuel": {
       "$ref": "./ShipFuel.json"
+    },
+    "cooldown": {
+      "$ref": "./Cooldown.json"
     }
   },
   "required": [