diff --git a/dsmr_parser/clients/protocol.py b/dsmr_parser/clients/protocol.py
index 73ad9d5..70be235 100644
--- a/dsmr_parser/clients/protocol.py
+++ b/dsmr_parser/clients/protocol.py
@@ -4,7 +4,7 @@ from functools import partial
 import asyncio
 import logging
 
-from serial_asyncio import create_serial_connection
+from serial_asyncio_fast import create_serial_connection
 
 from dsmr_parser import telegram_specifications
 from dsmr_parser.clients.telegram_buffer import TelegramBuffer
diff --git a/dsmr_parser/clients/rfxtrx_protocol.py b/dsmr_parser/clients/rfxtrx_protocol.py
index 848de71..0ebcafd 100644
--- a/dsmr_parser/clients/rfxtrx_protocol.py
+++ b/dsmr_parser/clients/rfxtrx_protocol.py
@@ -2,7 +2,7 @@
 
 import asyncio
 
-from serial_asyncio import create_serial_connection
+from serial_asyncio_fast import create_serial_connection
 from .protocol import DSMRProtocol, _create_dsmr_protocol
 
 
diff --git a/dsmr_parser/clients/serial_.py b/dsmr_parser/clients/serial_.py
index 08b69d8..a084c53 100644
--- a/dsmr_parser/clients/serial_.py
+++ b/dsmr_parser/clients/serial_.py
@@ -1,6 +1,6 @@
 import logging
 import serial
-import serial_asyncio
+import serial_asyncio_fast
 
 from dsmr_parser.clients.telegram_buffer import TelegramBuffer
 from dsmr_parser.exceptions import ParseError, InvalidChecksumError
@@ -77,7 +77,7 @@ class AsyncSerialReader(SerialReader):
         :rtype: None
         """
         # create Serial StreamReader
-        conn = serial_asyncio.open_serial_connection(**self.serial_settings)
+        conn = serial_asyncio_fast.open_serial_connection(**self.serial_settings)
         reader, _ = await conn
 
         while True:
@@ -107,7 +107,7 @@ class AsyncSerialReader(SerialReader):
         """
 
         # create Serial StreamReader
-        conn = serial_asyncio.open_serial_connection(**self.serial_settings)
+        conn = serial_asyncio_fast.open_serial_connection(**self.serial_settings)
         reader, _ = await conn
 
         while True:
diff --git a/setup.py b/setup.py
index ec93e45..631b3d6 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ setup(
     packages=find_packages(exclude=('test', 'test.*')),
     install_requires=[
         'pyserial>=3,<4',
-        'pyserial-asyncio<1',
+        'pyserial-asyncio-fast>=0.11',
         'pytz',
         'Tailer==0.4.1',
         'dlms_cosem==21.3.2'