diff --git a/SmokeScreen/SmokeScreen-2.6.8.ckan b/SmokeScreen/SmokeScreen-2.6.8.ckan
index 20e93d1859..64b525f63b 100644
--- a/SmokeScreen/SmokeScreen-2.6.8.ckan
+++ b/SmokeScreen/SmokeScreen-2.6.8.ckan
@@ -5,7 +5,8 @@
     "abstract": "SmokeScreen is a plugin that build on the engine FX added in .23 and adds new features to them. Most of the features ideas comes from Nothke.",
     "license": "BSD-2-clause",
     "author": "Sarbian",
-    "ksp_version": "1.0",
+    "ksp_version_min": "1.0.0",
+    "ksp_version_max": "1.0.4",
     "resources": {
         "ci": "https://ksp.sarbian.com/jenkins/job/SmokeScreen/",
         "homepage": "http://forum.kerbalspaceprogram.com/threads/71630",