diff --git a/pack.mcmeta b/pack.mcmeta
index 784ef89..9feee3d 100644
--- a/pack.mcmeta
+++ b/pack.mcmeta
@@ -1,6 +1,7 @@
 {
   "pack": {
-    "pack_format": 26,
+    "pack_format": 15,
+    "supported_formats": {"min_inclusive": 15, "max_inclusive": 26},
     "description": "https://github.com/OKTW-Network/Easy-Recipe"
   }
 }