diff --git a/platformio.ini b/platformio.ini
index 376f6e5a8..7c63ad7ad 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -164,7 +164,7 @@ lib_deps =
 	# renovate: datasource=custom.pio depName=QMC5883L Compass packageName=mprograms/library/QMC5883LCompass
 	mprograms/QMC5883LCompass@1.2.3
 	# renovate: datasource=custom.pio depName=DFRobot_RTU packageName=dfrobot/library/DFRobot_RTU
-	dfrobot/DFRobot_RTU@1.0.3
+	dfrobot/DFRobot_RTU@1.0.6
 	# renovate: datasource=git-refs depName=DFRobot_RainfallSensor packageName=https://github.com/DFRobot/DFRobot_RainfallSensor gitBranch=master
 	https://github.com/DFRobot/DFRobot_RainfallSensor/archive/38fea5e02b40a5430be6dab39a99a6f6347d667e.zip
 	# renovate: datasource=custom.pio depName=INA226 packageName=robtillaart/library/INA226