diff --git a/codex-rs/exec-server/src/noise_channel.rs b/codex-rs/exec-server/src/noise_channel.rs
index 460958504a..226319231f 100644
--- a/codex-rs/exec-server/src/noise_channel.rs
+++ b/codex-rs/exec-server/src/noise_channel.rs
@@ -10,6 +10,7 @@
 use base64::Engine;
 use base64::engine::general_purpose::STANDARD;
 use clatter::KeyPair;
+use clatter::bytearray::ByteArray;
 use clatter::crypto::dh::X25519;
 use clatter::traits::Dh;
 use clatter::traits::Kem;