diff --git a/repositories.txt b/repositories.txt
index 1ef95f43..38b0144a 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -70,6 +70,9 @@ https://github.com/DFRobot/DFRobot_A111
 https://github.com/DFRobot/DFRobot_VisualRotaryEncoder
 https://github.com/DFRobot/DFRobot_ENS160
 https://github.com/DFRobot/DFRobot_STS3X
+https://github.com/DFRobot/DFRobot_SIM
+https://github.com/DFRobot/DFRobot_SIM7000
+https://github.com/DFRobot/DFRobot_EnvironmentalSensor
 https://github.com/ZinggJM/ILI9486_SPI
 https://github.com/ZinggJM/GFX_Extensions
 https://github.com/DFRobot/DFRobot_MLX90614