diff --git a/repositories.txt b/repositories.txt
index 30dd882dc..d32c1343c 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/biomurph/GrayCode
 https://github.com/arielzw/DPS-Power-Supply
 https://github.com/cheerlights/cheerlights-arduino-library
 https://github.com/gi0rg0sPapamichail/QuickESPNow