diff --git a/repositories.txt b/repositories.txt
index 0523c658..9386eba9 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -7725,3 +7725,4 @@ https://github.com/ridiculousfish/libdivide
 https://github.com/crozone-technology/TelegramESP32
 https://github.com/mawaeg/Arduino_RV-8523
 https://github.com/steins1997/arduino_uno_r4_minima_mcp2517fd
+https://github.com/mcu-electronics/RTC_DS1307_Library