diff --git a/registry.txt b/registry.txt
index 341b0ed6..39b3bfcd 100644
--- a/registry.txt
+++ b/registry.txt
@@ -6170,3 +6170,4 @@ https://github.com/BestModules-Libraries/BM12O2021-A.git|Contributed|BM12O2021-A
 https://github.com/BestModules-Libraries/BM32O2531-A.git|Contributed|BM32O2531-A
 https://github.com/govorox/SSLClient.git|Contributed|GovoroxSSLClient
 https://github.com/soryone1/fog.git|Contributed|fog
+https://github.com/Lzw655/ESP32_IO_Expander.git|Contributed|ESP32 IO Expander Driver