diff --git a/registry.txt b/registry.txt
index 573c57b7..73034365 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4081,3 +4081,4 @@ https://github.com/lenvm/SercomSPISlave.git|Contributed|Sercom SPI Slave
 https://github.com/bitbank2/unzipLIB.git|Contributed|unzipLIB
 https://github.com/maxmacstn/ESP32-Canon-BLE-Remote.git|Contributed|Canon BLE remote
 https://github.com/Seeed-Studio/Grove-Ranging-sensor-VL53L0X.git|Contributed|Grove Ranging sensor - VL53L0X
+https://github.com/RobTillaart/TCA9555.git|Contributed|TCA9555