diff --git a/PsimaxSerialLibrary/PsimaxSerialLibrary-0.4.ckan b/PsimaxSerialLibrary/PsimaxSerialLibrary-0.4.ckan
index 13b9da6fde..6a621a75ef 100644
--- a/PsimaxSerialLibrary/PsimaxSerialLibrary-0.4.ckan
+++ b/PsimaxSerialLibrary/PsimaxSerialLibrary-0.4.ckan
@@ -12,7 +12,7 @@
         "x_screenshot": "https://kerbalstuff.com/content/marzubus_5843/PsimaxSerial_Library/PsimaxSerial_Library.png"
     },
     "version": "0.4",
-    "ksp_version": "0.90.0",
+    "ksp_version": "1.0.4",
     "install": [
         {
             "file": "PsimaxSerial.dll",