diff --git a/DockingFunctions/DockingFunctions-v1.0.4.ckan b/DockingFunctions/DockingFunctions-v1.0.4.ckan
index 2e9d85e7a7..33b4406eba 100644
--- a/DockingFunctions/DockingFunctions-v1.0.4.ckan
+++ b/DockingFunctions/DockingFunctions-v1.0.4.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.4",
+    "spec_version": 1,
     "identifier": "DockingFunctions",
     "name": "Docking Functions",
     "abstract": "Toolset for mods that perform docking or coupling of vessels",