diff --git a/registry.txt b/registry.txt
index 974f691c..175b498a 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3287,3 +3287,4 @@ https://github.com/khoih-prog/ESP_AT_Lib.git|Contributed|ESP_AT_Lib
 https://github.com/RobTillaart/DHTlib.git|Contributed|DHTlib
 https://github.com/RobTillaart/DHT2pin.git|Contributed|DHT2pin
 https://github.com/RobTillaart/HeartBeat.git|Contributed|HeartBeat
+https://github.com/RobTillaart/GY521.git|Contributed|GY521