diff --git a/docs/conf.py b/docs/conf.py
index b37dde7..f6d0be0 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -9,7 +9,7 @@
 project = 'tastytrade'
 copyright = '2024, Graeme Holliday'
 author = 'Graeme Holliday'
-release = '7.2'
+release = '7.3'
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/requirements.txt b/requirements.txt
index b7608c9..9a7560b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,13 +1,13 @@
-requests==2.31.0
-mypy==1.4.1
-flake8==5.0.4
-isort==5.11.5
-types-requests==2.31.0.1
-types-pytz==2024.1.0.20240203
-websockets==11.0.3
-pandas_market_calendars==4.3.3
-pydantic==2.6.3
-pytest==7.4.0
-pytest_cov==4.1.0
-pytest-asyncio==0.21.1
+requests==2.32.1
+mypy==1.10.0
+flake8==7.0.0
+isort==5.13.2
+types-requests==2.31.0.20240406
+types-pytz==2024.1.0.20240417
+websockets==12.0
+pandas_market_calendars==4.4.0
+pydantic==2.7.1
+pytest==8.2.1
+pytest_cov==5.0.0
+pytest-asyncio==0.23.7
 fake-useragent==1.5.1
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 4e12514..d942084 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 setup(
     name='tastytrade',
-    version='7.2',
+    version='7.3',
     description='An unofficial SDK for Tastytrade!',
     long_description=LONG_DESCRIPTION,
     long_description_content_type='text/x-rst',
diff --git a/tastytrade/__init__.py b/tastytrade/__init__.py
index 778d478..92de668 100644
--- a/tastytrade/__init__.py
+++ b/tastytrade/__init__.py
@@ -2,7 +2,7 @@
 
 API_URL = 'https://api.tastyworks.com'
 CERT_URL = 'https://api.cert.tastyworks.com'
-VERSION = '7.2'
+VERSION = '7.3'
 
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.DEBUG)
diff --git a/tastytrade/streamer.py b/tastytrade/streamer.py
index 16dde45..bd6f2f4 100644
--- a/tastytrade/streamer.py
+++ b/tastytrade/streamer.py
@@ -5,9 +5,11 @@
 from datetime import datetime
 from decimal import Decimal
 from enum import Enum
+from ssl import SSLContext, create_default_context
 from typing import Any, AsyncIterator, Dict, List, Optional, Union
 
 import websockets
+from websockets import WebSocketClientProtocol
 
 from tastytrade import logger
 from tastytrade.account import (Account, AccountBalance, CurrentPosition,
@@ -110,7 +112,7 @@ def __init__(self, session: Session):
             CERT_STREAMER_URL if is_certification else STREAMER_URL
 
         self._queue: Queue = Queue()
-        self._websocket = None
+        self._websocket: Optional[WebSocketClientProtocol] = None
         self._connect_task = asyncio.create_task(self._connect())
 
     async def __aenter__(self):
@@ -144,10 +146,10 @@ async def _connect(self) -> None:
         token provided during initialization.
         """
         headers = {'Authorization': f'Bearer {self.token}'}
-        async with websockets.connect(  # type: ignore
+        async with websockets.connect(
             self.base_url,
             extra_headers=headers
-        ) as websocket:
+        ) as websocket:  # type: ignore
             self._websocket = websocket
             self._heartbeat_task = asyncio.create_task(self._heartbeat())
 
@@ -274,7 +276,11 @@ class DXLinkStreamer:
             print(quote)
 
     """
-    def __init__(self, session: ProductionSession, ssl_context=None):
+    def __init__(
+        self,
+        session: ProductionSession,
+        ssl_context: SSLContext = create_default_context()
+    ):
         self._counter = 0
         self._lock: Lock = Lock()
         self._queues: Dict[EventType, Queue] = defaultdict(Queue)
@@ -297,7 +303,7 @@ def __init__(self, session: ProductionSession, ssl_context=None):
         self._authenticated = False
         self._wss_url = session.dxlink_url
         self._auth_token = session.streamer_token
-        self.ssl_context = ssl_context
+        self._ssl_context = ssl_context
 
         self._connect_task = asyncio.create_task(self._connect())
 
@@ -312,8 +318,12 @@ async def __aenter__(self):
         return self
 
     @classmethod
-    async def create(cls, session: ProductionSession) -> 'DXLinkStreamer':
-        self = cls(session)
+    async def create(
+        cls,
+        session: ProductionSession,
+        ssl_context: SSLContext = create_default_context()
+    ) -> 'DXLinkStreamer':
+        self = cls(session, ssl_context=ssl_context)
         return await self.__aenter__()
 
     async def __aexit__(self, exc_type, exc, tb):
@@ -332,7 +342,10 @@ async def _connect(self) -> None:
         authorization token provided during initialization.
         """
 
-        async with websockets.connect(self._wss_url, ssl=self.ssl_context) as websocket:
+        async with websockets.connect(
+            self._wss_url,
+            ssl=self._ssl_context
+        ) as websocket:
             self._websocket = websocket
             await self._setup_connection()
 
@@ -588,9 +601,9 @@ async def unsubscribe_candle(
             'type': 'FEED_SUBSCRIPTION',
             'channel': self._channels[EventType.CANDLE],
             'remove': [{
-                'symbol': f'{ticker}{{={interval},tho=true}}'
+                f'{ticker}{{={interval}}}'
                 if extended_trading_hours
-                else f'{ticker}{{={interval}}}',
+                else 'symbol': f'{ticker}{{={interval},tho=true}}',
                 'type': 'Candle',
             }]
         }