diff --git a/registry.txt b/registry.txt
index 1a45af88..475f61e6 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1756,3 +1756,4 @@ https://github.com/sparkfun/SparkFun_SGP30_Arduino_Library.git|Contributed|Spark
 https://github.com/Jorropo/ds3231.git|Contributed|ds3231FS
 https://github.com/2dom/PxMatrix.git|Contributed|PxMatrix LED MATRIX library
 https://github.com/danidask/MatrizLed.git|Contributed|MatrizLed
+https://github.com/Seeed-Studio/Multi_Channel_Relay_Arduino_Library.git|Contributed|Multi Channel Relay Arduino Library