diff --git a/repositories.txt b/repositories.txt
index f2d0bc77..fc4c9969 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -66,6 +66,7 @@ https://github.com/m5stack/M5_BMM150
 https://github.com/m5stack/M5_FPC1020A
 https://github.com/m5stack/STAMP-PICO
 https://github.com/m5stack/M5_EzData
+https://github.com/m5stack/UNIT_SONIC
 https://github.com/MrYsLab/NeoPixelConnect
 https://github.com/bigsmalloverall/SimpleTaskManager
 https://github.com/Infineon/arduino-multi-half-bridge