diff --git a/registry.txt b/registry.txt
index 3553efef..e270d8ea 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3005,3 +3005,4 @@ https://github.com/RobTillaart/DAC8551.git|Contributed|DAC8551
 https://github.com/RobTillaart/Temperature.git|Contributed|Temperature
 https://github.com/BrinoOficial/BibliotecaBrino.git|Contributed|Brino
 https://github.com/kcl93/muCom.git|Contributed|muCom
+https://github.com/drug123/T67XX.git|Contributed|Telaire T6700 CO2 Sensor Module Library