diff --git a/src/lib.rs b/src/lib.rs
index 8e6d1fd6e69..2c861dc5c6b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -62,6 +62,7 @@
 //! - [clap_complete](https://crates.io/crates/clap_complete) for shell completion support
 //!
 //! CLI Helpers
+//! - [cio](https://crates.io/crates/clio) for reading/writing to files specified as arguments
 //! - [clap-verbosity-flag](https://crates.io/crates/clap-verbosity-flag)
 //! - [clap-cargo](https://crates.io/crates/clap-cargo)
 //! - [concolor-clap](https://crates.io/crates/concolor-clap)