diff --git a/registry.txt b/registry.txt
index 1b791e6c..c053f41a 100644
--- a/registry.txt
+++ b/registry.txt
@@ -6326,3 +6326,4 @@ https://github.com/RobTillaart/AD5680.git|Contributed|AD5680
 https://github.com/GyverLibs/Stamp.git|Contributed|Stamp
 https://github.com/RobTillaart/AD568X.git|Contributed|AD568X
 https://github.com/4dsystems/GFX4dESP32.git|Contributed|GFX4dESP32
+https://github.com/esp-arduino-libs/esp-io-expander.git|Contributed|esp-io-expander