diff --git a/DumbSolarSystem/DumbSolarSystem-1.0.ckan b/DumbSolarSystem/DumbSolarSystem-1.0.ckan
index c955014d2e..8090587f9b 100644
--- a/DumbSolarSystem/DumbSolarSystem-1.0.ckan
+++ b/DumbSolarSystem/DumbSolarSystem-1.0.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.18",
+    "spec_version": "v1.4",
     "identifier": "DumbSolarSystem",
     "name": "Dumb Solar System",
     "abstract": "The worst custom KSP solar system",