diff --git a/PlanetJamWinnersPack/PlanetJamWinnersPack-1.0.ckan b/PlanetJamWinnersPack/PlanetJamWinnersPack-1.0.ckan
index ff1897e7d6..dec43ee2a0 100644
--- a/PlanetJamWinnersPack/PlanetJamWinnersPack-1.0.ckan
+++ b/PlanetJamWinnersPack/PlanetJamWinnersPack-1.0.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.18",
+    "spec_version": "v1.4",
     "identifier": "PlanetJamWinnersPack",
     "name": "Planet Jam Winners Pack",
     "abstract": "The Planet Jam Winners Pack/Planet Jam Mod is a collection of community-made celestial bodies that were announced as winners for the KSP Planet Jam challenges. ",