diff --git a/registry.txt b/registry.txt
index 332233dd..9ab4a720 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3782,3 +3782,4 @@ https://github.com/gabriel-milan/Arduino-MAX30100.git|Contributed|MAX30100_milan
 https://github.com/pu2clr/MCP23008.git|Contributed|PU2CLR MCP23008
 https://github.com/EasyG0ing1/BlockNot.git|Contributed|BlockNot
 https://github.com/paulpavish/GuiNE_Bot_Arduino_Library.git|Contributed|GuiN-E Bot
+https://github.com/Sensirion/arduino-i2c-scd4x.git|Contributed|Sensirion I2C SCD4x