diff --git a/registry.txt b/registry.txt
index 51559730..e6219274 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3632,3 +3632,4 @@ https://github.com/PribaNosati/mrm-switch.git|Contributed|mrm-switch
 https://github.com/PribaNosati/mrm-therm-b-can.git|Contributed|mrm-therm-b-can
 https://github.com/Legion2/Somfy_Remote_Lib.git|Contributed|Somfy_Remote_Lib
 https://github.com/telemetryjet/telemetryjet-arduino-sdk.git|Contributed|TelemetryJet
+https://github.com/adafruit/Adafruit_LTR390.git|Contributed|Adafruit LTR390 Library