diff --git a/crates/ctap2-proto/src/authenticator/credential/management.rs b/crates/ctap2-proto/src/authenticator/credential/management.rs
index 1ba62aa..6e51e16 100644
--- a/crates/ctap2-proto/src/authenticator/credential/management.rs
+++ b/crates/ctap2-proto/src/authenticator/credential/management.rs
@@ -1,5 +1,7 @@
 use crate::{authenticator::client_pin, extensions::cred_protect, Sha256Hash};
 use fido_common::credential::public_key;
+use std::fmt::Display;
+
 
 pub type PinUvAuthParam = [u8; 16];