diff --git a/repositories.txt b/repositories.txt
index 28b9b755..e01a36be 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/ncmreynolds/pimoroniTrackball
 https://github.com/AlexIII/incbin-arduino
 https://github.com/bolderflight/units
 https://github.com/bolderflight/statistics