diff --git a/StructuralTubing/StructuralTubing-1.0.7.3.ckan b/StructuralTubing/StructuralTubing-1.0.7.3.ckan
index 1bbfc0ef91..777b16ccea 100644
--- a/StructuralTubing/StructuralTubing-1.0.7.3.ckan
+++ b/StructuralTubing/StructuralTubing-1.0.7.3.ckan
@@ -13,7 +13,7 @@
     },
     "version": "1.0.7.3",
     "ksp_version_min": "1.4.1",
-    "ksp_version_max": "1.5.1",
+    "ksp_version_max": "1.5.99",
     "depends": [
         {
             "name": "ModuleManager"