diff --git a/repositories.txt b/repositories.txt
index 7e6a47be..d9656f2d 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/SolderedElectronics/Soldered-PMS7003-Particle-Sensor-Arduino-Library
 https://github.com/SolderedElectronics/Soldered-Fingerprint-Sensor-Arduino-Library
 https://github.com/SolderedElectronics/Soldered-WS2812-Smart-Leds-Arduino-Library
 https://github.com/SolderedElectronics/Soldered-DAC-Breakout_MCP47A1-Arduino-Library