diff --git a/registry.txt b/registry.txt
index 4341713a..b1ea6a59 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3342,3 +3342,4 @@ https://github.com/RobTillaart/Kelvin2RGB.git|Contributed|Kelvin2RGB
 https://github.com/107-systems/107-Arduino-UAVCAN.git|Contributed|107-Arduino-UAVCAN
 https://github.com/TilenS6/SerialDraw-Library.git|Contributed|SerialDraw
 https://github.com/RobTillaart/bitHelpers.git|Contributed|bitHelpers
+https://github.com/tanakamasayuki/I2C_BM8563.git|Contributed|I2C BM8563 RTC