diff --git a/registry.txt b/registry.txt
index 54769be0..57b77441 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3388,3 +3388,4 @@ https://github.com/EnviroDIY/YosemitechModbus.git|Contributed|YosemitechModbus
 https://github.com/EnviroDIY/KellerModbus.git|Contributed|KellerModbus
 https://github.com/EnviroDIY/SensorModbusMaster.git|Contributed|SensorModbusMaster
 https://github.com/adafruit/Adafruit_MS8607.git|Contributed|Adafruit MS8607
+https://github.com/d03n3rfr1tz3/HC-SR04.git|Contributed|HC-SR04