diff --git a/ecs/src/updates.rs b/ecs/src/updates.rs
index a30284d..fd9ae4b 100644
--- a/ecs/src/updates.rs
+++ b/ecs/src/updates.rs
@@ -964,7 +964,7 @@ pub trait AddUpdates<T, R, Func, Filter> {
     fn add_update(&mut self, name: &str, priority: u32, func: Func) -> Result<()>;
 }
 
-trait CreateArchetype<T, R, Func, Filter> {
+pub trait CreateArchetype<T, R, Func, Filter> {
     fn create(f: Func) -> Self;
 }