diff --git a/SurfaceExperimentPack/SurfaceExperimentPack-v2.7.1.ckan b/SurfaceExperimentPack/SurfaceExperimentPack-v2.7.1.ckan
index e723fcf5bd..4cec9e84e8 100644
--- a/SurfaceExperimentPack/SurfaceExperimentPack-v2.7.1.ckan
+++ b/SurfaceExperimentPack/SurfaceExperimentPack-v2.7.1.ckan
@@ -16,7 +16,8 @@
         "x_screenshot": "https://spacedock.info/content/AlbertKermin_1290/Surface_Experiment_Pack/Surface_Experiment_Pack-1456786410.472347.png"
     },
     "version": "v2.7.1",
-    "ksp_version": "1.6.1",
+    "ksp_version_min": "1.4",
+    "ksp_version_max": "1.6.1",
     "depends": [
         {
             "name": "KAS"