diff --git a/repositories.txt b/repositories.txt
index 3c8dc86b..ec2034ae 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -3990,3 +3990,4 @@ https://github.com/fbiego/MpesaSTK
 https://github.com/khoih-prog/RP2040_RTC
 https://github.com/Seeed-Studio/Seeed_Arduino_Audio
 https://github.com/rneurink/VL53L1X_ULD
+https://github.com/kmpelectronics/KMP_RS485