diff --git a/readme.md b/readme.md
index 2234fa0..8121b1f 100644
--- a/readme.md
+++ b/readme.md
@@ -305,6 +305,7 @@ Check out my [blog](https://blog.sindresorhus.com) 🦄 or say *hi* on [Twitter]
 - [cylon.js](http://cylonjs.com) - Next generation robotics framework with support for 26 different platforms.
 - [i2c-bus](https://github.com/fivdi/i2c-bus) - I2C serial bus access.
 - [onoff](https://github.com/fivdi/onoff) - GPIO access and interrupt detection.
+- [spi-device](https://github.com/fivdi/spi-device) - SPI serial bus access.
 
 
 ### Templating