diff --git a/IXSWarpshipOS/IXSWarpshipOS-0.4.0.2b.ckan b/IXSWarpshipOS/IXSWarpshipOS-0.4.0.2b.ckan
index 86adf44dc5..5b13246b73 100644
--- a/IXSWarpshipOS/IXSWarpshipOS-0.4.0.2b.ckan
+++ b/IXSWarpshipOS/IXSWarpshipOS-0.4.0.2b.ckan
@@ -12,7 +12,7 @@
         "x_screenshot": "https://spacedock.info/content/Denko666_1695/IXS-Warpship-OS/IXS-Warpship-OS-1478106155.1607766.png"
     },
     "version": "0.4.0.2b",
-    "ksp_version": "1.2.0",
+    "ksp_version": "1.2.1",
     "depends": [
         {
             "name": "AlcubierreStandalone"