diff --git a/repositories.txt b/repositories.txt
index b58e62be..9aa63176 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -2405,6 +2405,7 @@ https://github.com/DFRobot/DFRobot_VoiceRecorder
 https://github.com/DFRobot/DFRobotDFPlayerMini
 https://github.com/DFRobot/DFRobotIRPosition
 https://github.com/DFRobot/DFRobot_MHZ9041A
+https://github.com/DFRobot/DFRobot_CT1780
 https://github.com/dgduncan/Arduino-MCP4131
 https://github.com/dgduncan/SevenSegment
 https://github.com/Dhanabhon/TomIBT2