diff --git a/registry.txt b/registry.txt
index e1342dad..c804476d 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3752,3 +3752,4 @@ https://github.com/mobizt/Firebase-ESP-Client.git|Contributed|Firebase Arduino C
 https://github.com/NickvanTholen/pca9634-lib.git|Contributed|PCA9634 Arduino Library
 https://github.com/PribaNosati/mrm-us-b.git|Contributed|mrm-us-b
 https://github.com/SunitRaut/Lightweight-CD74HC4067-Arduino.git|Contributed|light_CD74HC4067
+https://github.com/mcci-catena/MCCI_Catena_SCD30.git|Contributed|MCCI Catena SCD30