diff --git a/README.md b/README.md
index d492e98f..a19ca797 100644
--- a/README.md
+++ b/README.md
@@ -78,6 +78,7 @@ This crate offers the following features, all of which are not activated by defa
 - `secrecy`: Integrate with the [`secrecy` crate](https://crates.io/crates/secrecy).
 - `decimal`: Integrate with the [`rust_decimal` crate](https://crates.io/crates/rust_decimal).
 - `cbor`: Support for [serde_cbor](https://crates.io/crates/serde_cbor).
+- `smol_str`: Integrate with the [`smol_str` crate](https://crates.io/crates/smol_str).
 
 ## Apollo Studio
 
diff --git a/src/lib.rs b/src/lib.rs
index 1d19f66f..c64c099e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -73,6 +73,7 @@
 //! - `dataloader`: Support [DataLoader](dataloader/struct.DataLoader.html).
 //! - `decimal`: Integrate with the [`rust_decimal` crate](https://crates.io/crates/rust_decimal).
 //! - `cbor`: Support for [serde_cbor](https://crates.io/crates/serde_cbor).
+//! - `smol_str`: Integrate with the [`smol_str` crate](https://crates.io/crates/smol_str).
 //!
 //! ## Integrations
 //!