diff --git a/repositories.txt b/repositories.txt
index ca6cc672f..4c8cbd7cb 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/x0x0200/VARSTEP_ultrasonic
 https://github.com/StefanHerald/Timing
 https://github.com/tdk-invn-oss/pressure.arduino.ICP201XX
 https://github.com/DigitalCodesign/DC-Core-Library