diff --git a/repositories.txt b/repositories.txt
index d90e4265..c550ac7d 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/cubicleguy/su_arduino_spi
 https://github.com/cubicleguy/su_arduino_uart 
 https://github.com/chochain/eForth1
 https://github.com/Bexin3/Snowduino