diff --git a/ShipManifest/ShipManifest-5.2.1.0.ckan b/ShipManifest/ShipManifest-5.2.1.0.ckan
index d2ae878b76..024212eddd 100644
--- a/ShipManifest/ShipManifest-5.2.1.0.ckan
+++ b/ShipManifest/ShipManifest-5.2.1.0.ckan
@@ -13,6 +13,7 @@
     },
     "version": "5.2.1.0",
     "ksp_version_min": "1.4.0",
+    "ksp_version_max": "1.4.1",
     "suggests": [
         {
             "name": "ConnectedLivingSpace"