diff --git a/repositories.txt b/repositories.txt
index 6ede77a8..67c1e2d8 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -4126,3 +4126,4 @@ https://github.com/xiongyu0523/AzureRTOS-ThreadX-For-Arduino
 https://github.com/dhi-nikhil/indhi-lib-arduino-esp32
 https://github.com/sparkfun/SparkFun_Tsunami_Qwiic_Arduino_Library
 https://github.com/khoih-prog/ESP32_S2_ISR_Servo
+https://github.com/khoih-prog/ESP32_C3_ISR_Servo