diff --git a/Mk2Y/Mk2Y-0.0.5.0.ckan b/Mk2Y/Mk2Y-0.0.5.0.ckan
index bbc27437f8..1a7b89ef50 100644
--- a/Mk2Y/Mk2Y-0.0.5.0.ckan
+++ b/Mk2Y/Mk2Y-0.0.5.0.ckan
@@ -9,7 +9,7 @@
     ],
     "version": "0.0.5.0",
     "ksp_version_min": "1.7.1",
-    "ksp_version_max": "1.8.9999",
+    "ksp_version_max": "1.8.1",
     "license": "CC-BY-NC-SA-4.0",
     "resources": {
         "homepage": "https://forum.kerbalspaceprogram.com/index.php?/topic/192095-*",