diff --git a/src/lib.rs b/src/lib.rs
index 3860474b..25b8e7aa 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -93,5 +93,8 @@ pub use error::{Error, Result};
 
 pub mod extensions;
 
+/// imap_proto types
+pub use imap_proto::types as prototypes;
+
 #[cfg(test)]
 mod mock_stream;