diff --git a/registry.txt b/registry.txt
index 214e4593..ec2bdc00 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5510,3 +5510,4 @@ https://github.com/khoih-prog/ESP32_W5500_Manager.git|Contributed|ESP32_W5500_Ma
 https://github.com/khoih-prog/ESP32_ENC_Manager.git|Contributed|ESP32_ENC_Manager
 https://github.com/asukiaaa/arduino-ControllerAsI2c.git|Contributed|ControllerAsI2c_asukiaaa
 https://github.com/khoih-prog/ESP8266_W5500_Manager.git|Contributed|ESP8266_W5500_Manager
+https://github.com/khoih-prog/ESP8266_W5100_Manager.git|Contributed|ESP8266_W5100_Manager