diff --git a/README.md b/README.md
index 97eaf3547a..19662a181f 100644
--- a/README.md
+++ b/README.md
@@ -481,6 +481,7 @@ _Libraries for serializing complex data types._
 
 - [marshmallow](https://github.com/marshmallow-code/marshmallow) - A lightweight library for converting complex objects to and from simple Python datatypes.
 - [msgpack](https://github.com/msgpack/msgpack-python) - MessagePack serializer implementation for Python.
+- [msgspec](https://github.com/msgspec/msgspec) - A fast serialization and validation library with built-in support for JSON, MessagePack, YAML, and TOML.
 - [orjson](https://github.com/ijl/orjson) - Fast, correct JSON library.
 
 **Data & Science**