diff --git a/gradle.properties b/gradle.properties
index aa5caf7..409497a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -56,4 +56,7 @@ mod_group_id=dev.zontreck
 # The authors of the mod. This is a simple text string that is used for display purposes in the mod list.
 mod_authors=zontreck
 # The description of the mod. This is a simple multiline text string that is used for display purposes in the mod list.
-mod_description=Watches the durability tools, and or your hunger.
\ No newline at end of file
+mod_description=Watches the durability tools, and or your hunger.
+
+# Pack version - this changes each minecraft release, in general.
+pack_format_number=15
\ No newline at end of file