diff --git a/registry.txt b/registry.txt
index e2d47b4f..23e5b875 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2927,3 +2927,4 @@ https://github.com/sparkfun/SparkFun_Qwiic_Step_Arduino_Library.git|Contributed|
 https://github.com/CircuitsFun/CircuitsFunBasic-Library-for-Arduino.git|Contributed|CircuitsFunBasic
 https://github.com/LSatan/SmartRC-CC1101-Driver-Lib.git|Contributed|SmartRC-CC1101-Driver-Lib
 https://github.com/sparkfun/SparkFun_Alphanumeric_Display_Arduino_Library.git|Contributed|SparkFun Qwiic Alphanumeric Display Arduino Library
+https://github.com/HendrikVE/ArduinoPCA9633.git|Contributed|NXP PCA9633