diff --git a/repositories.txt b/repositories.txt
index 15f81b8f6..38843516a 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -7304,3 +7304,4 @@ https://github.com/Zhentao-Lin/ESP32_WS2812_Lib
 https://github.com/stack-chan/stackchan-arduino
 https://github.com/adbancroft/avr-fast-div
 https://github.com/adbancroft/avr-fast-shift
+https://github.com/LeeLeahy2/R4A_I2C