diff --git a/README.md b/README.md
index 56ec956..8db819b 100644
--- a/README.md
+++ b/README.md
@@ -923,6 +923,8 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
* [meqif/rust-utp](https://github.com/meqif/rust-utp) — a [uTP](http://www.bittorrent.org/beps/bep_0029.html) (Micro Transport Protocol) library for Rust. [](https://travis-ci.org/meqif/rust-utp)
* ZeroMQ
* [erickt/rust-zmq](https://github.com/erickt/rust-zmq) — [ZeroMQ](http://zeromq.org/) bindings [](https://travis-ci.org/erickt/rust-zmq)
+* CoAP
+ * [Covertness/coap-rs](https://github.com/Covertness/coap-rs) — A [Constrained Application Protocol(CoAP)](https://tools.ietf.org/html/rfc7252) library for Rust. [](https://travis-ci.org/Covertness/coap-rs)
### Parser