diff --git a/EVATransfer/EVATransfer-9.0.ckan b/EVATransfer/EVATransfer-9.0.ckan
index f4d5c79979..a4aa1b99bd 100644
--- a/EVATransfer/EVATransfer-9.0.ckan
+++ b/EVATransfer/EVATransfer-9.0.ckan
@@ -5,7 +5,8 @@
     "abstract": "A standalone EVA resource transfer system.",
     "author": "DMagic",
     "version": "9.0",
-    "ksp_version": "1.8.1",
+    "ksp_version_min": "1.8.0",
+    "ksp_version_max": "1.8.8",
     "license": "MIT",
     "resources": {
         "homepage": "http://forum.kerbalspaceprogram.com/index.php?/topic/108704-1",