diff --git a/NorthKerbinDynamics/NorthKerbinDynamics-v0.84b.ckan b/NorthKerbinDynamics/NorthKerbinDynamics-v0.84b.ckan
index ffd73fb5e3..14072b4bb6 100644
--- a/NorthKerbinDynamics/NorthKerbinDynamics-v0.84b.ckan
+++ b/NorthKerbinDynamics/NorthKerbinDynamics-v0.84b.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.10",
+    "spec_version": "v1.4",
     "identifier": "NorthKerbinDynamics",
     "name": "NKD - North Kerbin Dynamics for BDArmory",
     "abstract": "The first mod ever in KSP to add a proper nuclear bomb! This mod contains many destructive weapons and great effects for them to boot :)",