diff --git a/pack.toml b/pack.toml
index 34120c3..f0cbc1a 100644
--- a/pack.toml
+++ b/pack.toml
@@ -11,3 +11,4 @@ hash = "25565ef3e455c36e3171a851e101f2a83cc1d0f267839fcbc27788c703d9e314"
 [versions]
 minecraft = "1.21.1"
 neoforge = "21.1.213"
+unsup = "1.2.0-pre4"