diff --git a/dist/index.js b/dist/index.js
index f6bfa1c..b4c9de3 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -113,6 +113,9 @@ module.exports = {
         crew: 2
       },
       retailCost: 18897696,
+      requirements: {
+        horizons: true
+      },
       bulkheads: [ {
         id: "CI",
         edID: 128816576,
diff --git a/dist/index.json b/dist/index.json
index 4217125..75ffb89 100644
--- a/dist/index.json
+++ b/dist/index.json
@@ -159,6 +159,9 @@
 				"crew": 2
 			},
 			"retailCost": 18897696,
+			"requirements": {
+				"horizons": true
+			},
 			"bulkheads": [
 				{
 					"id": "CI",
diff --git a/ships/alliance_chieftain.json b/ships/alliance_chieftain.json
index a8b208e..1fa3948 100644
--- a/ships/alliance_chieftain.json
+++ b/ships/alliance_chieftain.json
@@ -22,6 +22,9 @@
       "crew": 2
     },
     "retailCost": 18897696,
+    "requirements": {
+      "horizons": true
+    },
     "bulkheads": [
       { "id": "CI", "edID": 128816576, "eddbID": 813, "grp": "bh", "cost": 0, "mass": 0, "explres": -0.4, "kinres": -0.2, "thermres": 0, "hullboost": 0.8 },
       { "id": "CJ", "edID": 128816577, "eddbID": 814, "grp": "bh", "cost": 6803170, "mass": 75, "explres": -0.4, "kinres": -0.2, "thermres": 0, "hullboost": 1.52 },