diff --git a/requirements.txt b/requirements.txt
index 264094e..f1ec6ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ requests>=2.26.0
 paho-mqtt>=1.5.1
 pymodbus>=2.5.3
 SungrowModbusTcpClient>=0.1.5
-SungrowModbusWebClient>=0.2.7
+SungrowModbusWebClient>=0.3.0
 influxdb-client>=1.24.0