diff --git a/registry.txt b/registry.txt
index 21f89cf8..19cfda8c 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2942,3 +2942,4 @@ https://github.com/adafruit/Adafruit_DS1841.git|Contributed|Adafruit DS1841
 https://github.com/qubitro/mqtt-client-arduino.git|Contributed|QubitroMqttClient
 https://github.com/CircuitsFun/CircuitsFunProjects-Library-for-Arduino.git|Contributed|CircuitsFunProjects
 https://github.com/RobTillaart/AM232X.git|Contributed|AM232X
+https://github.com/PaulZC/IridiumSBD.git|Contributed|IridiumSBDi2c