diff --git a/libafl_bolts/src/serdeany.rs b/libafl_bolts/src/serdeany.rs
index 8afac64c6d..9b16e9a548 100644
--- a/libafl_bolts/src/serdeany.rs
+++ b/libafl_bolts/src/serdeany.rs
@@ -118,7 +118,7 @@ pub mod serdeany_registry {
         boxed::Box,
         string::{String, ToString},
     };
-    use core::{any::TypeId, fmt};
+    use core::{any::TypeId, fmt, hash::BuildHasherDefault};
 
     use hashbrown::{
         hash_map::{Values, ValuesMut},