diff --git a/registry.txt b/registry.txt
index 17dc192c..7f418989 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5015,3 +5015,4 @@ https://github.com/DFRobot/DFRobot_MAX31855.git|Contributed|DFRobot_MAX31855
 https://github.com/DFRobot/DFRobot_MCP4725.git|Contributed|DFRobot_MCP4725
 https://github.com/DFRobot/DFRobot_RGBMatrix.git|Contributed|DFRobot_RGBMatrix
 https://github.com/mkogax/GG_for_Arduino.git|Contributed|GG
+https://github.com/RobTillaart/RS485.git|Contributed|RS485