diff --git a/substrate/core/basic-authorship/src/lib.rs b/substrate/core/basic-authorship/src/lib.rs
index 44caadea3c..0d7e310750 100644
--- a/substrate/core/basic-authorship/src/lib.rs
+++ b/substrate/core/basic-authorship/src/lib.rs
@@ -31,4 +31,4 @@ extern crate log;
 
 mod basic_authorship;
 
-pub use basic_authorship::ProposerFactory;
+pub use basic_authorship::{ProposerFactory, BlockBuilder, AuthoringApi, Proposer};