diff --git a/actix-codec/CHANGES.md b/actix-codec/CHANGES.md
index c7f2d576..3182f737 100644
--- a/actix-codec/CHANGES.md
+++ b/actix-codec/CHANGES.md
@@ -3,7 +3,7 @@
 ## Unreleased - 2020-xx-xx
 * Upgrade `pin-project` to `1.0`.
 * Update `tokio` dependency to 0.3.1.
-* Update `tokio-util` dependency to 0.4.
+* Update `tokio-util` dependency to 0.5.1.
 
 ## 0.3.0 - 2020-08-23
 * No changes from beta 2.
diff --git a/actix-codec/src/lib.rs b/actix-codec/src/lib.rs
index b5f32066..48028d8b 100644
--- a/actix-codec/src/lib.rs
+++ b/actix-codec/src/lib.rs
@@ -20,3 +20,4 @@ pub use self::framed::{Framed, FramedParts};
 
 pub use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
 pub use tokio_util::codec::{Decoder, Encoder};
+pub use tokio_util::io::poll_read_buf;