diff --git a/repositories.txt b/repositories.txt
index a57046c8..22a3a07f 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/bolderflight/ainstein-usd1
 https://github.com/hardmax/ADS1232
 https://github.com/goldfish4tech/Goldfish4Tech
 https://github.com/ElectroMagus/ESP32MX1508