diff --git a/src/body/mod.rs b/src/body/mod.rs
index e9a5352c13..5e2181e941 100644
--- a/src/body/mod.rs
+++ b/src/body/mod.rs
@@ -17,6 +17,7 @@
 
 pub use bytes::{Buf, Bytes};
 pub use http_body::Body as HttpBody;
+pub use http_body::SizeHint;
 
 pub use self::aggregate::aggregate;
 pub use self::body::{Body, Sender};