diff --git a/repositories.txt b/repositories.txt
index 0c3b6ef3..a71a0173 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -171,6 +171,8 @@ https://github.com/DFRobot/DFRobot_BMI160
 https://github.com/DFRobot/DFRobot_MAX17043
 https://github.com/DFRobot/DFRobot_SHT
 https://github.com/DFRobot/DFRobot_INA219
+https://github.com/DFRobot/DFRobot_EOxygenSensor
+https://github.com/DFRobot/DFRobot_OxygenSensor
 https://github.com/ZinggJM/ILI9486_SPI
 https://github.com/ZinggJM/GFX_Extensions
 https://github.com/DFRobot/DFRobot_MLX90614