diff --git a/repositories.txt b/repositories.txt
index 4bad37c2..4e6869bb 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -4576,3 +4576,4 @@ https://github.com/dirkohme/Beeper
 https://github.com/jpconstantineau/BlueMicro_HID_Arduino_Library
 https://github.com/akkoyun/Telit_xE910
 https://github.com/YFROBOT-TM/Yfrobot-I2C-LineFollowSensor-Library
+https://github.com/Lynxmotion/Arduino-PPM