diff --git a/registry.txt b/registry.txt
index 9c443adc..8153cdbe 100644
--- a/registry.txt
+++ b/registry.txt
@@ -6785,3 +6785,4 @@ https://github.com/nruin7/Arduino-XBox-Controller-Handler.git|Contributed|XBoxCo
 https://github.com/Sam4uk/Password.git|Contributed|Password
 https://github.com/mbrugman67/Uno-Minimal-HUB75.git|Contributed|Uno_HUB75_Driver
 https://github.com/mathieucarbou/MycilaTaskManager.git|Contributed|MycilaTaskManager
+https://github.com/gpb01/R4SwRTC.git|Contributed|r4SwRTC