diff --git a/OpenTree/OpenTree-2.3.ckan b/OpenTree/OpenTree-2.3.ckan
index 4a5f7d5952..9846bc0c9d 100644
--- a/OpenTree/OpenTree-2.3.ckan
+++ b/OpenTree/OpenTree-2.3.ckan
@@ -11,7 +11,7 @@
         "homepage": "http://forum.kerbalspaceprogram.com/threads/122571-1-02-OpenTree-A-tech-tree-with-more-freedom-and-accessibility-(v1-0)",
         "kerbalstuff": "https://kerbalstuff.com/mod/829/OpenTree"
     },
-    "ksp_version": "1.0.3",
+    "ksp_version": "1.0.4",
     "name": "OpenTree",
     "abstract": "A rebalanced tech tree with more choice + clearer development  + mod support",
     "author": "Oneiros",