diff --git a/MasterTechWeapons/MasterTechWeapons-1.ckan b/MasterTechWeapons/MasterTechWeapons-1.ckan
index 8823423c7a..0ebcd0c39b 100644
--- a/MasterTechWeapons/MasterTechWeapons-1.ckan
+++ b/MasterTechWeapons/MasterTechWeapons-1.ckan
@@ -10,7 +10,7 @@
         "spacedock": "https://spacedock.info/mod/394/Master%20Tech%20Weapons"
     },
     "version": "1",
-    "ksp_version": "1.1.3",
+    "ksp_version": "1.2.1",
     "depends": [
         {
             "name": "ModuleManager"