diff --git a/RealSolarSystem/RealSolarSystem-v18.1.5.ckan b/RealSolarSystem/RealSolarSystem-v18.1.5.ckan
index b555685dab..fcb288f7e9 100644
--- a/RealSolarSystem/RealSolarSystem-v18.1.5.ckan
+++ b/RealSolarSystem/RealSolarSystem-v18.1.5.ckan
@@ -40,7 +40,7 @@
         },
         {
             "name": "Kopernicus",
-            "min_version": "2:release-1.3.1-7"
+            "min_version": "2:release-1.12.1-39"
         },
         {
             "name": "RSSTextures"