diff --git a/repositories.txt b/repositories.txt
index b650cca0..dd896b17 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -137,6 +137,8 @@ https://github.com/DFRobot/DFRobot_BME680
 https://github.com/DFRobot/DFRobot_SIM808
 https://github.com/DFRobot/DFRobot_HX711_I2C
 https://github.com/DFRobot/DFRobot_LWLP
+https://github.com/DFRobot/DFRobot_PH
+https://github.com/DFRobot/DFRobot_BC20_Gravity
 https://github.com/ZinggJM/ILI9486_SPI
 https://github.com/ZinggJM/GFX_Extensions
 https://github.com/DFRobot/DFRobot_MLX90614