diff --git a/registry.txt b/registry.txt
index 32750b3b..30d60475 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4093,3 +4093,4 @@ https://github.com/franalvarez21/Arduboy-BistercianNumbers.git|Contributed|Ardub
 https://github.com/khoih-prog/RP2040_RTC.git|Contributed|RP2040_RTC
 https://github.com/Seeed-Studio/Seeed_Arduino_Audio.git|Contributed|Seeed Arduino Audio
 https://github.com/rneurink/VL53L1X_ULD.git|Contributed|VL53L1X_ULD
+https://github.com/kmpelectronics/KMP_RS485.git|Contributed|KMP_RS485