diff --git a/readme.md b/readme.md
index ebaf70a..836dc76 100644
--- a/readme.md
+++ b/readme.md
@@ -365,6 +365,7 @@ Inspired by the [awesome](https://github.com/sindresorhus/awesome) list thing.
 - [Faker.js](https://github.com/Marak/Faker.js) - Generate massive amounts of fake data.
 - [peerflix](https://github.com/mafintosh/peerflix) - Streaming torrent client.
 - [BitcoinJS](http://bitcoinjs.org/) - The clean, readable, proven library for Bitcoin JavaScript development.
+- [Bottleneck](https://github.com/SGrondin/bottleneck) - A powerful rate limiter that makes throttling easy.
 
 
 ## Resources