diff --git a/OpenResourceSystem/OpenResourceSystem-1.4.2.ckan b/OpenResourceSystem/OpenResourceSystem-1.4.2.ckan
index 2eee8366c6..f8d689dc80 100644
--- a/OpenResourceSystem/OpenResourceSystem-1.4.2.ckan
+++ b/OpenResourceSystem/OpenResourceSystem-1.4.2.ckan
@@ -9,7 +9,8 @@
         "homepage": "https://bitbucket.org/FractalUK/kspinstellar/downloads/"
     },
     "version": "1.4.2",
-    "ksp_version": "0.25",
+    "ksp_version_min": "0.24",
+    "ksp_version_max": "0.25",
     "download": "https://bitbucket.org/FractalUK/kspinstellar/downloads/OpenResourceSystem-v1.4.2.zip",
     "download_size": 35710,
     "download_hash": {