diff --git a/repositories.txt b/repositories.txt
index 21f05ea3..7a5b7620 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -925,6 +925,7 @@ https://github.com/asukiaaa/arduino-enum
 https://github.com/asukiaaa/arduino-Gauge
 https://github.com/asukiaaa/arduino-HX711
 https://github.com/asukiaaa/arduino-HzMeter
+https://github.com/asukiaaa/arduino-MCP4661
 https://github.com/asukiaaa/arduino-MotorCVD
 https://github.com/asukiaaa/arduino-OrientalCommon
 https://github.com/asukiaaa/arduino-ResistorReader