diff --git a/Peripherals.md b/Peripherals.md
index d6108f30..61b3f1a3 100644
--- a/Peripherals.md
+++ b/Peripherals.md
@@ -67,6 +67,7 @@ More about [general configuration](Sensor-Configuration) of peripherals.
 - **SPS30** - Particulate Matter (PM) - sensor (I<sup>2</sup>C)
 - **TM1638** - 8 Switch, LED and 7 Segment Unit sensor (single wire)
 - [**TSL2561**](TSL2561) - Luminosity Sensor (I<sup>2</sup>C)
+- **TSL2591** - Luminosity Sensor (I<sup>2</sup>C)
 - **TX20** - La Crosse Wind (Anemometer) - sensor (single wire)
 - [**VEML6070**](VEML6070) -  UV Sensor (I<sup>2</sup>C)
 - **VL53L0x** - Time of flight sensor (I<sup>2</sup>C)