diff --git a/ModularRocketSystem/ModularRocketSystem-1.13.2.1-hotfix.ckan b/ModularRocketSystem/ModularRocketSystem-1.13.2.1-hotfix.ckan
index 81719566b6..86404b87e3 100644
--- a/ModularRocketSystem/ModularRocketSystem-1.13.2.1-hotfix.ckan
+++ b/ModularRocketSystem/ModularRocketSystem-1.13.2.1-hotfix.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.12",
+    "spec_version": "v1.4",
     "identifier": "ModularRocketSystem",
     "name": "Modular Rocket Systems (MRS) by NecroBones",
     "abstract": "A stock-alike parts pack that fills in a variety of gaps in the stock lineup of rocketry parts.",