diff --git a/Mk2Expansion/Mk2Expansion-2-1.8.1.ckan b/Mk2Expansion/Mk2Expansion-2-1.8.1.ckan
index a896dd4b2d..368065f803 100644
--- a/Mk2Expansion/Mk2Expansion-2-1.8.1.ckan
+++ b/Mk2Expansion/Mk2Expansion-2-1.8.1.ckan
@@ -12,7 +12,7 @@
         "x_screenshot": "https://spacedock.info/content/SuicidalInsanity_1925/Mk2_Stockalike_Expansion/Mk2_Stockalike_Expansion-1459796616.997534.png"
     },
     "version": "2:1.8.1",
-    "ksp_version": "1.4.0",
+    "ksp_version": "1.4.1",
     "depends": [
         {
             "name": "ModuleManager"