diff --git a/aiocometd/_metadata.py b/aiocometd/_metadata.py
index 9a253ff..bcb3ea7 100644
--- a/aiocometd/_metadata.py
+++ b/aiocometd/_metadata.py
@@ -8,6 +8,6 @@
     "Coverage": "https://coveralls.io/github/robertmrk/aiocometd",
     "Docs": "http://aiocometd.readthedocs.io/"
 }
-VERSION = "0.4.5"
+VERSION = "0.4.6"
 AUTHOR = "Róbert Márki"
 AUTHOR_EMAIL = "gsmiko@gmail.com"
diff --git a/aiocometd/client.py b/aiocometd/client.py
index cb84578..9d3de35 100644
--- a/aiocometd/client.py
+++ b/aiocometd/client.py
@@ -509,8 +509,7 @@ async def _get_message(self, connection_timeout: Union[int, float]) \
         try:
             done, pending = await asyncio.wait(
                 tasks,
-                return_when=asyncio.FIRST_COMPLETED,
-                loop=self._loop)
+                return_when=asyncio.FIRST_COMPLETED)
 
             # cancel all pending tasks
             for task in pending:
diff --git a/aiocometd/transports/long_polling.py b/aiocometd/transports/long_polling.py
index 33a91fb..08e25d7 100644
--- a/aiocometd/transports/long_polling.py
+++ b/aiocometd/transports/long_polling.py
@@ -22,7 +22,7 @@ def __init__(self, **kwargs: Any) -> None:
         super().__init__(**kwargs)
 
         #: semaphore to limit the number of concurrent HTTP connections to 2
-        self._http_semaphore = asyncio.Semaphore(2, loop=self._loop)
+        self._http_semaphore = asyncio.Semaphore(2)
 
     async def _send_final_payload(self, payload: Payload, *,
                                   headers: Headers) -> JsonObject: