diff --git a/stubs/channels/METADATA.toml b/stubs/channels/METADATA.toml
index a5df088db..8cd561ad6 100644
--- a/stubs/channels/METADATA.toml
+++ b/stubs/channels/METADATA.toml
@@ -1,4 +1,4 @@
-version = "4.2.*"
+version = "4.3.*"
 upstream_repository = "https://github.com/django/channels"
 requires = ["django-stubs>=4.2,<5.3", "asgiref"]
 
diff --git a/stubs/channels/channels/testing/live.pyi b/stubs/channels/channels/testing/live.pyi
index 769604458..b2cac0ae6 100644
--- a/stubs/channels/channels/testing/live.pyi
+++ b/stubs/channels/channels/testing/live.pyi
@@ -12,6 +12,7 @@ DaphneProcess: TypeAlias = Any  # TODO: temporary hack for daphne.testing.Daphne
 _StaticWrapper: TypeAlias = Callable[[ProtocolTypeRouter], _ChannelApplication]
 
 def make_application(*, static_wrapper: _StaticWrapper | None) -> Any: ...
+def set_database_connection() -> None: ...
 
 class ChannelsLiveServerTestCase(TransactionTestCase):
     host: ClassVar[str] = "localhost"