diff --git a/BavarianAerospaceTubes/BavarianAerospaceTubes-0.1.0.ckan b/BavarianAerospaceTubes/BavarianAerospaceTubes-0.1.0.ckan
index 05f2ac1e76..4df87af9f0 100644
--- a/BavarianAerospaceTubes/BavarianAerospaceTubes-0.1.0.ckan
+++ b/BavarianAerospaceTubes/BavarianAerospaceTubes-0.1.0.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.18",
+    "spec_version": "v1.4",
     "identifier": "BavarianAerospaceTubes",
     "name": "Bavarian Aerospace: Tubes! ",
     "abstract": "A lightweight modular system to build walkable tubes to connect your vessels.",