diff --git a/registry.txt b/registry.txt
index 2113f8a7..de0c6688 100644
--- a/registry.txt
+++ b/registry.txt
@@ -7760,3 +7760,4 @@ https://github.com/cakraawijaya/MQ2_LPG.git|Contributed|MQ2_LPG
 https://github.com/edwiyanto/CreatorKidsIO.git|Contributed|CreatorKidsIO
 https://github.com/cakraawijaya/ESP_FC28.git|Contributed|ESP_FC28
 https://github.com/hasenradball/MCP23008-I2C.git|Contributed|MCP23008-I2C
+https://github.com/CMB27/ModbusSlaveLogic.git|Contributed|ModbusSlaveLogic