diff --git a/registry.txt b/registry.txt
index d3bb453f..7ac6920d 100644
--- a/registry.txt
+++ b/registry.txt
@@ -7974,3 +7974,4 @@ https://github.com/styropyr0/MPM10.git|Contributed|MPM10
 https://github.com/styropyr0/ML8511.git|Contributed|ML8511 UV Sensor Library
 https://github.com/styropyr0/APDS9960.git|Contributed|APDS9960
 https://github.com/styropyr0/ADS111S.git|Contributed|ADS111S
+https://github.com/RobTillaart/PCA9671.git|Contributed|PCA9671