diff --git a/GroundConstruction-Core/GroundConstruction-Core-2.4.1.0.1.ckan b/GroundConstruction-Core/GroundConstruction-Core-2.4.1.0.1.ckan
index cbc6a753c1..4b15c2189c 100644
--- a/GroundConstruction-Core/GroundConstruction-Core-2.4.1.0.1.ckan
+++ b/GroundConstruction-Core/GroundConstruction-Core-2.4.1.0.1.ckan
@@ -15,7 +15,8 @@
         "x_screenshot": "https://spacedock.info/content/allista_931/Ground_Construction/Ground_Construction-1536838498.3931928.png"
     },
     "version": "2.4.1.0.1",
-    "ksp_version": "1.7.2",
+    "ksp_version_min": "1.6.1",
+    "ksp_version_max": "1.7.2",
     "depends": [
         {
             "name": "AT-Utils"