diff --git a/src/lib.rs b/src/lib.rs
index 979b4dc..996a865 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -58,7 +58,7 @@ pub mod portable;
 #[doc(hidden)]
 pub mod sse41;
 
-mod traits;
+pub mod traits;
 
 use arrayref::{array_mut_ref, array_ref};
 use arrayvec::{ArrayString, ArrayVec};
diff --git a/src/traits.rs b/src/traits.rs
index 570a446..c4fff98 100644
--- a/src/traits.rs
+++ b/src/traits.rs
@@ -1,5 +1,9 @@
-//! Implementations for commonly used traits like `digest::Digest` and
-//! `crypto_mac::Mac`.
+//! Implementations of commonly used traits like
+//! [`digest::Digest`](https://crates.io/crates/digest) and
+//! [`crypto_mac::Mac`](https://crates.io/crates/crypto-mac).
+
+pub use crypto_mac;
+pub use digest;
 
 use crate::{Hasher, OutputReader};
 use digest::generic_array::{