diff --git a/README.md b/README.md
index c01386f6..30d6a7c3 100644
--- a/README.md
+++ b/README.md
@@ -861,6 +861,7 @@ Inspired by [awesome-php](https://github.com/ziadoz/awesome-php).
 * [blinker](https://github.com/jek/blinker) - A fast Python in-process signal/event dispatching system.
 * [boltons](https://github.com/mahmoud/boltons) - A set of pure-Python utilities.
 * [itsdangerous](https://github.com/pallets/itsdangerous) - Various helpers to pass trusted data to untrusted environments.
+* [ozon3](https://github.com/Ozon3Org/Ozon3) - Get real-time, historical, or forecasted air quality data for anywhere in the world.
 * [magenta](https://github.com/magenta/magenta) - A tool to generate music and art using artificial intelligence.
 * [pluginbase](https://github.com/mitsuhiko/pluginbase) - A simple but flexible plugin system for Python.
 * [tryton](http://www.tryton.org/) - A general purpose business framework.