diff --git a/src/token/cose/util/ops.rs b/src/token/cose/util/ops.rs
index bbce0a5..afaed35 100644
--- a/src/token/cose/util/ops.rs
+++ b/src/token/cose/util/ops.rs
@@ -12,6 +12,7 @@ use crate::error::CoseCipherError;
 use crate::token::cose::util::{check_for_duplicate_headers, determine_key_candidates};
 use crate::token::cose::KeyProvider;
 use alloc::collections::BTreeSet;
+use alloc::vec::Vec;
 use core::fmt::Display;
 use coset::{iana, CoseKey, Header, KeyOperation};
 
diff --git a/src/token/cose/util/symm.rs b/src/token/cose/util/symm.rs
index c839a8a..fbdd74a 100644
--- a/src/token/cose/util/symm.rs
+++ b/src/token/cose/util/symm.rs
@@ -11,6 +11,7 @@
 use crate::error::CoseCipherError;
 use crate::token::cose::util::determine_header_param;
 use crate::token::cose::{CoseParsedKey, CoseSymmetricKey, CryptoBackend, HeaderParam, KeyParam};
+use alloc::vec::Vec;
 use ciborium::Value;
 use core::fmt::Display;
 use coset::{iana, Algorithm, Header};