diff --git a/system.json b/system.json
index 9ff08ab..06ffa77 100644
--- a/system.json
+++ b/system.json
@@ -302,7 +302,7 @@
   "url": "https://www.uberwald.me/gitea/public/fvtt-mournblade-cyd-2-0",
   "background": "systems/fvtt-mournblade-cyd-2-0/assets/ui/fond_mournblade-cyd-2-0.webp",
   "compatibility": {
-    "minimum": "14",
+    "minimum": "13",
     "verified": "14"
   }
 }
\ No newline at end of file