diff --git a/README.md b/README.md
index 9153d98..25467ff 100644
--- a/README.md
+++ b/README.md
@@ -484,6 +484,7 @@ There're also some great commercial libraries, like [amchart](https://www.amchar
 * [sprintf.js](https://github.com/alexei/sprintf.js) - A sprintf implementation.
 * [url-pattern](https://github.com/snd/url-pattern) - Easier than regex string matching patterns for urls and other strings. Turn strings into data or data into strings.
 * [plexis](https://github.com/plexis-js/plexis) - Lo-fi, powerful, community-driven string manipulation library.
+* [url-state-machine](https://github.com/anonrig/url-js) - Super fast spec-compliant URL parser state machine for Node.js. 
 
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