diff --git a/PhotonSailor/PhotonSailor-1.7.3.ckan b/PhotonSailor/PhotonSailor-1.7.3.ckan
index 6d5070c0c0..5bb9049e3f 100644
--- a/PhotonSailor/PhotonSailor-1.7.3.ckan
+++ b/PhotonSailor/PhotonSailor-1.7.3.ckan
@@ -6,7 +6,7 @@
     "author": "FreeThinker",
     "version": "1.7.3",
     "ksp_version_min": "1.8.1",
-    "ksp_version_max": "1.12.0",
+    "ksp_version_max": "1.12.1",
     "license": "CC-BY-NC-3.0",
     "resources": {
         "homepage": "https://forum.kerbalspaceprogram.com/index.php?/topic/176144-*",