diff --git a/cryptofeed/connection.py b/cryptofeed/connection.py
index b30570a07..13c79a08e 100644
--- a/cryptofeed/connection.py
+++ b/cryptofeed/connection.py
@@ -16,7 +16,7 @@
 
 from aiohttp.client_reqrep import ClientResponse
 import requests
-from websockets.asyncio.client import connect
+from websockets.asyncio.client import connect, ClientConnection
 from websockets.protocol import State
 import aiohttp
 from aiohttp.typedefs import StrOrURL
@@ -82,7 +82,7 @@ def __init__(self, conn_id: str, authentication=None, subscription=None):
         self.last_message = None
         self.authentication = authentication
         self.subscription = subscription
-        self.conn: Union[websockets.WebSocketClientProtocol, aiohttp.ClientSession] = None
+        self.conn: Union[ClientConnection, aiohttp.ClientSession] = None
         atexit.register(self.__del__)
 
     def __del__(self):
diff --git a/cryptofeed/connection_handler.py b/cryptofeed/connection_handler.py
index 9f1965c80..2753cc188 100644
--- a/cryptofeed/connection_handler.py
+++ b/cryptofeed/connection_handler.py
@@ -6,7 +6,6 @@
 '''
 import asyncio
 import logging
-import random
 from socket import error as socket_error
 import time
 from typing import Awaitable
@@ -51,7 +50,6 @@ async def _watcher(self):
     async def _create_connection(self):
         await asyncio.sleep(self.start_delay)
         retries = 0
-        rate_limited = 1
         delay = 1
         while (retries <= self.retries or self.retries == -1) and self.running:
             try:
@@ -60,7 +58,6 @@ async def _create_connection(self):
                     await self.subscribe(connection)
                     # connection was successful, reset retry count and delay
                     retries = 0
-                    rate_limited = 0
                     delay = 1
                     if self.timeout != -1:
                         loop = asyncio.get_running_loop()
diff --git a/cryptofeed/exchanges/kucoin.py b/cryptofeed/exchanges/kucoin.py
index 9b390be3d..174f14c33 100644
--- a/cryptofeed/exchanges/kucoin.py
+++ b/cryptofeed/exchanges/kucoin.py
@@ -285,7 +285,7 @@ async def subscribe(self, conn: AsyncConnection):
                     await conn.write(json.dumps({
                         'id': 1,
                         'type': 'subscribe',
-                        'topic': f"{chan}:{','.join(symbols[slice_index: slice_index+100])}",
+                        'topic': f"{chan}: {','.join(symbols[slice_index: slice_index + 100])}",
                         'privateChannel': False,
                         'response': True
                     }))
diff --git a/requirements.txt b/requirements.txt
index 711f9f14d..b55426d81 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ order_book==0.6.1
 pyyaml
 requests>=2.18.4
 uvloop
-websockets>=7.0
+websockets>=14.1
 yapic.json>=1.6.3
\ No newline at end of file
diff --git a/tools/websockets_test.py b/tools/websockets_test.py
index ce7772783..3a3a4262c 100644
--- a/tools/websockets_test.py
+++ b/tools/websockets_test.py
@@ -32,6 +32,6 @@ async def main():
             if not is_gzip:
                 print(f"< {response}")
             else:
-                print(f"< {zlib.decompress(response, 16+zlib.MAX_WBITS)}")
+                print(f"< {zlib.decompress(response, 16 + zlib.MAX_WBITS)}")
 
 asyncio.get_event_loop().run_until_complete(main())