diff --git a/repositories.txt b/repositories.txt
index b13c5289d..c53b1f57d 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -5736,6 +5736,7 @@ https://github.com/Sensirion/arduino-i2c-scd4x
 https://github.com/sensirion/arduino-i2c-sdp
 https://github.com/Sensirion/arduino-i2c-sen44
 https://github.com/Sensirion/arduino-i2c-sen5x
+https://github.com/Sensirion/arduino-i2c-sen66
 https://github.com/Sensirion/arduino-i2c-sf06-lf
 https://github.com/Sensirion/arduino-i2c-sfa3x
 https://github.com/Sensirion/arduino-i2c-sfm3000