diff --git a/sim/src/lib.rs b/sim/src/lib.rs
index a491438..df1919e 100644
--- a/sim/src/lib.rs
+++ b/sim/src/lib.rs
@@ -16,6 +16,7 @@
 mod depends;
 mod image;
 mod tlv;
+mod utils;
 pub mod testlog;
 
 pub use crate::{