diff --git a/repositories.txt b/repositories.txt
index b240b1bb..5023d0e6 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/dhrubasaha08/SimpleUltrasonic
 https://github.com/jmerc77/Fast4ier
 https://github.com/AlfredoSystems/Alfredo-NoU2
 https://github.com/ollprogram/SimpleShiftRegisterController