diff --git a/registry.txt b/registry.txt
index d16384cb..bb8a5fa4 100644
--- a/registry.txt
+++ b/registry.txt
@@ -45,6 +45,9 @@ https://github.com/arduino-libraries/WiFiNINA.git|Arduino|WiFiNINA
 https://github.com/arduino-libraries/ArduinoECCX08.git|Arduino|ArduinoECCX08
 https://github.com/arduino-libraries/ArduinoBearSSL.git|Arduino|ArduinoBearSSL
 https://github.com/arduino/EduIntro.git|Arduino|EduIntro
+https://github.com/arduino-libraries/ArduinoRS485.git|Arduino|ArduinoRS485
+https://github.com/arduino-libraries/ArduinoDMX.git|Arduino|ArduinoDMX
+https://github.com/arduino-libraries/ArduinoModbus.git|Arduino|ArduinoModbus
 
 https://github.com/vidor-libraries/VidorGraphics.git|Arduino|VidorGraphics
 https://github.com/vidor-libraries/VidorPeripherals.git|Arduino|VidorPeripherals