diff --git a/setup.cfg b/setup.cfg
index d20e5e8..78d90f1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,7 +25,7 @@ packages = find:
 include_package_data = True
 python_requires = >= 3.8
 install_requires =
-    pymodbus >= 3.7.2
+    pymodbus >= 3.8.0
     pyserial-asyncio >= 0.6.0
 
 [options.packages.find]
diff --git a/src/sdm_modbus/meter.py b/src/sdm_modbus/meter.py
index e4b9c5f..278ebf1 100644
--- a/src/sdm_modbus/meter.py
+++ b/src/sdm_modbus/meter.py
@@ -130,7 +130,6 @@ def __init__(self, **kwargs):
 
                 self.mode = connectionType.RTU
                 self.client = ModbusSerialClient(
-                    method="rtu",
                     port=self.device,
                     stopbits=self.stopbits,
                     parity=self.parity,