diff --git a/repositories.txt b/repositories.txt
index 89c1d664..231c80f8 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -4773,3 +4773,4 @@ https://github.com/khoih-prog/AsyncDNSServer_Teensy41
 https://github.com/vurdalakov/radsensboard
 https://github.com/Kineis/KIM_Arduino_Library
 https://github.com/khoih-prog/MQTTPubSubClient_Generic
+https://github.com/cotestatnt/DigitalSignal