diff --git a/RCSLandAid/RCSLandAid-2.1.ckan b/RCSLandAid/RCSLandAid-2.1.ckan
index 1a490bf268..80ce4f32e0 100644
--- a/RCSLandAid/RCSLandAid-2.1.ckan
+++ b/RCSLandAid/RCSLandAid-2.1.ckan
@@ -5,7 +5,8 @@
   "abstract": "Kill your horizontal velocity to land, or hover over a specific point on the ground",
   "license": "GPL-3.0",
   "release_status": "stable",
-  "ksp_version": "any",
+  "ksp_version_min": "0.25",
+  "ksp_version_max": "0.90",
   "author": "Diazo",
   "suggests": [
     {