diff --git a/CustomBarnKit-RO/CustomBarnKit-RO-1.1.19.0.ckan b/CustomBarnKit-RO/CustomBarnKit-RO-1.1.19.0.ckan
index 4872ccf1de..3e0e978366 100644
--- a/CustomBarnKit-RO/CustomBarnKit-RO-1.1.19.0.ckan
+++ b/CustomBarnKit-RO/CustomBarnKit-RO-1.1.19.0.ckan
@@ -12,7 +12,7 @@
     },
     "version": "1.1.19.0",
     "ksp_version_min": "1.3.0",
-    "ksp_version_max": "1.6.99",
+    "ksp_version_max": "1.3.99",
     "provides": [
         "CustomBarnKit"
     ],