diff --git a/technology/dev/programming/languages/Rust.md b/technology/dev/programming/languages/Rust.md
index dfca9fd..ac730d5 100644
--- a/technology/dev/programming/languages/Rust.md
+++ b/technology/dev/programming/languages/Rust.md
@@ -681,6 +681,7 @@ unsafe fn write_to_serial_unchecked(data: &[u8]) {
 - [anyhow](https://lib.rs/crates/anyhow): Flexible concrete Error type built on `std::error::Error`
 - [itertools](https://lib.rs/crates/itertools): Extra iterator adaptors, iterator methods, free functions, and macros
 - [num_enum](https://lib.rs/crates/num_enum): Procedural macros to make inter-operation between primitives and enums easier
+- [cached](https://crates.io/crates/cached): Caching Crate
 
 ### Encoding
 - [bincode](https://lib.rs/crates/bincode): A binary serialization / deserialization strategy for transforming structs into bytes and vice versa!