diff --git a/registry.txt b/registry.txt
index e50716a8..fded65ad 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3443,3 +3443,4 @@ https://github.com/sparkfun/SparkFun_Particle_Sensor_SN-GCJA5_Arduino_Library.gi
 https://github.com/xreef/DHT12_sensor_library.git|Contributed|DHT12 sensor library
 https://github.com/Infineon/TLI493D-W2BW.git|Contributed|TLI493D
 https://github.com/plapointe6/HAMqttDevice.git|Contributed|HAMqttDevice
+https://github.com/rocketscream/RocketScream_LowPowerAVRZero.git|Contributed|Rocket Scream LowPowerAVRZero