diff --git a/GroundConstruction/GroundConstruction-2.7.1.ckan b/GroundConstruction/GroundConstruction-2.7.1.ckan
index 0ebd731faa..283b33de6b 100644
--- a/GroundConstruction/GroundConstruction-2.7.1.ckan
+++ b/GroundConstruction/GroundConstruction-2.7.1.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.16",
+    "spec_version": "v1.2",
     "identifier": "GroundConstruction",
     "name": "Global Construction",
     "abstract": "Build vessels directly on other planets and in orbit using light-weight kits of high-tech components, with energy and raw materials produced on-site from Ore.",