diff --git a/homeassistant/components/go2rtc/__init__.py b/homeassistant/components/go2rtc/__init__.py
index c15fab8f2de2..9a8604e449d2 100644
--- a/homeassistant/components/go2rtc/__init__.py
+++ b/homeassistant/components/go2rtc/__init__.py
@@ -7,7 +7,7 @@ import shutil
 from tempfile import mkdtemp
 from typing import override
 
-from aiohttp import BasicAuth, ClientSession, UnixConnector
+from aiohttp import ClientSession, UnixConnector, encode_basic_auth
 from aiohttp.client_exceptions import ClientConnectionError, ServerConnectionError
 from awesomeversion import AwesomeVersion
 from go2rtc_client import Go2RtcRestClient
@@ -153,14 +153,13 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
             password = token_hex()
             _LOGGER.debug("Generated random credentials for go2rtc server")
 
-        auth = BasicAuth(username, password)
         # HA will manage the binary
         temp_dir = mkdtemp(prefix="go2rtc-")
         # Manually created session (not using the helper) needs to be closed manually
         # See on_stop listener below
         session = ClientSession(
             connector=UnixConnector(path=get_go2rtc_unix_socket_path(temp_dir)),
-            auth=auth,
+            headers={"Authorization": encode_basic_auth(username, password)},
         )
         server = Server(
             hass,
@@ -186,9 +185,9 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
         url = HA_MANAGED_URL
     elif username and password:
-        # Create session with BasicAuth if credentials are provided
-        auth = BasicAuth(username, password)
-        session = async_create_clientsession(hass, auth=auth)
+        session = async_create_clientsession(
+            hass, headers={"Authorization": encode_basic_auth(username, password)}
+        )
     else:
         session = async_get_clientsession(hass)
 
diff --git a/tests/components/go2rtc/test_init.py b/tests/components/go2rtc/test_init.py
index 6d073c3c2887..97e1ed3b2753 100644
--- a/tests/components/go2rtc/test_init.py
+++ b/tests/components/go2rtc/test_init.py
@@ -7,7 +7,7 @@ from pathlib import Path
 from typing import NamedTuple
 from unittest.mock import ANY, AsyncMock, Mock, patch
 
-from aiohttp import BasicAuth, UnixConnector
+from aiohttp import UnixConnector, encode_basic_auth
 from aiohttp.client_exceptions import ClientConnectionError, ServerConnectionError
 from awesomeversion import AwesomeVersion
 from go2rtc_client import Stream
@@ -1267,12 +1267,11 @@ async def test_unix_socket_connection(hass: HomeAssistant, server_dir: Path) ->
         assert isinstance(connector, UnixConnector)
         assert connector.path == get_go2rtc_unix_socket_path(server_dir)
         # Auth should be auto-generated when credentials are not explicitly configured
-        assert "auth" in call_kwargs
-        auth = call_kwargs["auth"]
-        assert isinstance(auth, BasicAuth)
-        # Verify auto-generated credentials match our mocked values
-        assert auth.login == "mock_username_token"
-        assert auth.password == "mock_password_token"
+        assert call_kwargs["headers"] == {
+            "Authorization": encode_basic_auth(
+                "mock_username_token", "mock_password_token"
+            )
+        }
 
         hass.bus.async_fire(EVENT_HOMEASSISTANT_STOP)
         await hass.async_block_till_done()
@@ -1300,7 +1299,7 @@ async def test_unix_socket_not_used_for_custom_server(hass: HomeAssistant) -> No
 
 @pytest.mark.usefixtures("rest_client", "server")
 async def test_basic_auth_with_custom_url(hass: HomeAssistant) -> None:
-    """Test BasicAuth session is created with username/password and URL."""
+    """Test an auth header session is created with username/password and URL."""
     config = {
         DOMAIN: {
             CONF_URL: "http://localhost:1984/",
@@ -1318,19 +1317,17 @@ async def test_basic_auth_with_custom_url(hass: HomeAssistant) -> None:
         assert await async_setup_component(hass, DOMAIN, config)
         await hass.async_block_till_done(wait_background_tasks=True)
 
-        # Verify async_create_clientsession was called with BasicAuth
+        # Verify async_create_clientsession was called with an auth header
         mock_create_session.assert_called_once()
         call_kwargs = mock_create_session.call_args[1]
-        assert "auth" in call_kwargs
-        auth = call_kwargs["auth"]
-        assert isinstance(auth, BasicAuth)
-        assert auth.login == "test_user"
-        assert auth.password == "test_pass"
+        assert call_kwargs["headers"] == {
+            "Authorization": encode_basic_auth("test_user", "test_pass")
+        }
 
 
 @pytest.mark.usefixtures("rest_client")
 async def test_basic_auth_with_debug_ui(hass: HomeAssistant, server_dir: Path) -> None:
-    """Test BasicAuth session created with username/password and debug_ui."""
+    """Test an auth header session is created with username/password and debug_ui."""
     config = {
         DOMAIN: {
             CONF_DEBUG_UI: True,
@@ -1361,18 +1358,16 @@ async def test_basic_auth_with_debug_ui(hass: HomeAssistant, server_dir: Path) -
         assert await async_setup_component(hass, DOMAIN, config)
         await hass.async_block_till_done(wait_background_tasks=True)
 
-        # Verify ClientSession was created with BasicAuth and UnixConnector
+        # Verify ClientSession was created with an auth header and UnixConnector
         mock_session_cls.assert_called_once()
         call_kwargs = mock_session_cls.call_args[1]
         assert "connector" in call_kwargs
         connector = call_kwargs["connector"]
         assert isinstance(connector, UnixConnector)
         assert connector.path == get_go2rtc_unix_socket_path(server_dir)
-        assert "auth" in call_kwargs
-        auth = call_kwargs["auth"]
-        assert isinstance(auth, BasicAuth)
-        assert auth.login == "test_user"
-        assert auth.password == "test_pass"
+        assert call_kwargs["headers"] == {
+            "Authorization": encode_basic_auth("test_user", "test_pass")
+        }
 
         # Verify Server was called with username and password
         mock_server_cls.assert_called_once()