diff --git a/keychain/src/lib.rs b/keychain/src/lib.rs
index 97ac4c6f..3e9f7323 100644
--- a/keychain/src/lib.rs
+++ b/keychain/src/lib.rs
@@ -19,6 +19,7 @@ extern crate byteorder;
 extern crate grin_util as util;
 extern crate rand;
 extern crate serde;
+#[macro_use]
 extern crate serde_derive;
 extern crate serde_json;