diff --git a/KerbalSimpit/KerbalSimpit-v2.3.1.ckan b/KerbalSimpit/KerbalSimpit-v2.3.1.ckan
index 45fb0e45b8..c6ddafe72a 100644
--- a/KerbalSimpit/KerbalSimpit-v2.3.1.ckan
+++ b/KerbalSimpit/KerbalSimpit-v2.3.1.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.4",
+    "spec_version": 1,
     "identifier": "KerbalSimpit",
     "name": "Kerbal Simpit",
     "abstract": "Communicate with external instrumentation through serial connection",