diff --git a/repositories.txt b/repositories.txt
index fcb7e4b4..62e3ece3 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/CIRCUITSTATE/CSE_ArduinoRS485
 https://github.com/codeljo/AA_MCP2515
 https://github.com/and900/Amytol_Sample
 https://github.com/iMakeOfficial/iMakeBeta