diff --git a/JoolBiomes/JoolBiomes-1.1.ckan b/JoolBiomes/JoolBiomes-1.1.ckan
index 97a0048d8a..3b80b529e8 100644
--- a/JoolBiomes/JoolBiomes-1.1.ckan
+++ b/JoolBiomes/JoolBiomes-1.1.ckan
@@ -5,7 +5,7 @@
     "abstract": "Add biomes (and Great Green Spot) to Jool.",
     "author": "Snark",
     "version": "1.1",
-    "ksp_version": "1.7.3",
+    "ksp_version": "1.8.1",
     "license": "MIT",
     "resources": {
         "homepage": "http://forum.kerbalspaceprogram.com/index.php?/topic/131274-121-joolbiomes-v11-add-biomes-and-great-green-spot-to-jool/",