diff --git a/registry.txt b/registry.txt
index 38d0e0e8..679e20aa 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3129,3 +3129,4 @@ https://github.com/lovyan03/LovyanGFX.git|Contributed|LovyanGFX
 https://github.com/MAINAKMONDAL98/MSMPLOTTER.git|Contributed|MSMPLOTTER
 https://github.com/emelianov/modbus-esp8266.git|Contributed|modbus-esp8266
 https://github.com/RobTillaart/PulsePattern.git|Contributed|PulsePattern
+https://github.com/wollewald/MCP23017_WE.git|Contributed|MCP23017