diff --git a/.gitignore b/.gitignore
index 5bf2443ccb..0c3c190c57 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@
 .scannerwork/
 .unasyncd_cache/
 .venv/
+.venv*
 .vscode/
 __pycache__/
 build/
diff --git a/docs/reference/channels/backends/asyncpg.rst b/docs/reference/channels/backends/asyncpg.rst
new file mode 100644
index 0000000000..91d44ecdf1
--- /dev/null
+++ b/docs/reference/channels/backends/asyncpg.rst
@@ -0,0 +1,5 @@
+asyncpg
+=======
+
+.. automodule:: litestar.channels.backends.asyncpg
+    :members:
diff --git a/docs/reference/channels/backends/index.rst b/docs/reference/channels/backends/index.rst
index 010ae7e509..02deff518a 100644
--- a/docs/reference/channels/backends/index.rst
+++ b/docs/reference/channels/backends/index.rst
@@ -6,3 +6,5 @@ backends
     base
     memory
     redis
+    psycopg
+    asyncpg
diff --git a/docs/reference/channels/backends/psycopg.rst b/docs/reference/channels/backends/psycopg.rst
new file mode 100644
index 0000000000..4a8163db60
--- /dev/null
+++ b/docs/reference/channels/backends/psycopg.rst
@@ -0,0 +1,5 @@
+psycopg
+=======
+
+.. automodule:: litestar.channels.backends.psycopg
+    :members:
diff --git a/docs/usage/channels.rst b/docs/usage/channels.rst
index cbf0ef2721..6e2cd13c02 100644
--- a/docs/usage/channels.rst
+++ b/docs/usage/channels.rst
@@ -399,7 +399,7 @@ implemented are:
     A basic in-memory backend, mostly useful for testing and local development, but
     still fully capable. Since it stores all data in-process, it can achieve the highest
     performance of all the backends, but at the same time is not suitable for
-    applications running on multiple processes.
+    applications running on multiple processes
 
 :class:`RedisChannelsPubSubBackend <.redis.RedisChannelsPubSubBackend>`
     A Redis based backend, using `Pub/Sub <https://redis.io/docs/manual/pubsub/>`_ to
@@ -413,6 +413,17 @@ implemented are:
     when history is needed
 
 
+:class:`AsyncPgChannelsBackend <.asyncpg.AsyncPgChannelsBackend>`
+    A postgres backend using the
+    `asyncpg <https://magicstack.github.io/asyncpg/current/>`_ driver
+
+
+:class:`PsycoPgChannelsBackend <.psycopg.AsyncPgChannelsBackend>`
+    A postgres backend using the `psycopg3 <https://www.psycopg.org/psycopg3/docs/>`_
+    async driver
+
+
+
 
 Integrating with websocket handlers
 -----------------------------------
diff --git a/litestar/channels/backends/asyncpg.py b/litestar/channels/backends/asyncpg.py
new file mode 100644
index 0000000000..4b3948d179
--- /dev/null
+++ b/litestar/channels/backends/asyncpg.py
@@ -0,0 +1,82 @@
+from __future__ import annotations
+
+import asyncio
+from contextlib import AsyncExitStack
+from functools import partial
+from typing import AsyncGenerator, Awaitable, Callable, Iterable, overload
+
+import asyncpg
+
+from litestar.channels import ChannelsBackend
+from litestar.exceptions import ImproperlyConfiguredException
+
+
+class AsyncPgChannelsBackend(ChannelsBackend):
+    _listener_conn: asyncpg.Connection
+    _queue: asyncio.Queue[tuple[str, bytes]]
+
+    @overload
+    def __init__(self, dsn: str) -> None:
+        ...
+
+    @overload
+    def __init__(
+        self,
+        *,
+        make_connection: Callable[[], Awaitable[asyncpg.Connection]],
+    ) -> None:
+        ...
+
+    def __init__(
+        self,
+        dsn: str | None = None,
+        *,
+        make_connection: Callable[[], Awaitable[asyncpg.Connection]] | None = None,
+    ) -> None:
+        if not (dsn or make_connection):
+            raise ImproperlyConfiguredException("Need to specify dsn or make_connection")
+
+        self._subscribed_channels: set[str] = set()
+        self._exit_stack = AsyncExitStack()
+        self._connect = make_connection or partial(asyncpg.connect, dsn=dsn)
+
+    async def on_startup(self) -> None:
+        self._queue = asyncio.Queue()
+        self._listener_conn = await self._connect()
+
+    async def on_shutdown(self) -> None:
+        await self._listener_conn.close()
+        del self._queue
+
+    async def publish(self, data: bytes, channels: Iterable[str]) -> None:
+        dec_data = data.decode("utf-8")
+
+        conn = await self._connect()
+        try:
+            for channel in channels:
+                await conn.execute("SELECT pg_notify($1, $2);", channel, dec_data)
+        finally:
+            await conn.close()
+
+    async def subscribe(self, channels: Iterable[str]) -> None:
+        for channel in set(channels) - self._subscribed_channels:
+            await self._listener_conn.add_listener(channel, self._listener)  # type: ignore[arg-type]
+            self._subscribed_channels.add(channel)
+
+    async def unsubscribe(self, channels: Iterable[str]) -> None:
+        for channel in channels:
+            await self._listener_conn.remove_listener(channel, self._listener)  # type: ignore[arg-type]
+        self._subscribed_channels = self._subscribed_channels - set(channels)
+
+    async def stream_events(self) -> AsyncGenerator[tuple[str, bytes], None]:
+        while self._queue:
+            yield await self._queue.get()
+            self._queue.task_done()
+
+    async def get_history(self, channel: str, limit: int | None = None) -> list[bytes]:
+        raise NotImplementedError()
+
+    def _listener(self, /, connection: asyncpg.Connection, pid: int, channel: str, payload: object) -> None:
+        if not isinstance(payload, str):
+            raise RuntimeError("Invalid data received")
+        self._queue.put_nowait((channel, payload.encode("utf-8")))
diff --git a/litestar/channels/backends/psycopg.py b/litestar/channels/backends/psycopg.py
new file mode 100644
index 0000000000..14b53bcd1a
--- /dev/null
+++ b/litestar/channels/backends/psycopg.py
@@ -0,0 +1,54 @@
+from __future__ import annotations
+
+from contextlib import AsyncExitStack
+from typing import AsyncGenerator, Iterable
+
+import psycopg
+
+from .base import ChannelsBackend
+
+
+def _safe_quote(ident: str) -> str:
+    return '"{}"'.format(ident.replace('"', '""'))  # sourcery skip
+
+
+class PsycoPgChannelsBackend(ChannelsBackend):
+    _listener_conn: psycopg.AsyncConnection
+
+    def __init__(self, pg_dsn: str) -> None:
+        self._pg_dsn = pg_dsn
+        self._subscribed_channels: set[str] = set()
+        self._exit_stack = AsyncExitStack()
+
+    async def on_startup(self) -> None:
+        self._listener_conn = await psycopg.AsyncConnection.connect(self._pg_dsn, autocommit=True)
+        await self._exit_stack.enter_async_context(self._listener_conn)
+
+    async def on_shutdown(self) -> None:
+        await self._exit_stack.aclose()
+
+    async def publish(self, data: bytes, channels: Iterable[str]) -> None:
+        dec_data = data.decode("utf-8")
+        async with await psycopg.AsyncConnection.connect(self._pg_dsn) as conn:
+            for channel in channels:
+                await conn.execute("SELECT pg_notify(%s, %s);", (channel, dec_data))
+
+    async def subscribe(self, channels: Iterable[str]) -> None:
+        for channel in set(channels) - self._subscribed_channels:
+            # can't use placeholders in LISTEN
+            await self._listener_conn.execute(f"LISTEN {_safe_quote(channel)};")  # pyright: ignore
+
+            self._subscribed_channels.add(channel)
+
+    async def unsubscribe(self, channels: Iterable[str]) -> None:
+        for channel in channels:
+            # can't use placeholders in UNLISTEN
+            await self._listener_conn.execute(f"UNLISTEN {_safe_quote(channel)};")  # pyright: ignore
+        self._subscribed_channels = self._subscribed_channels - set(channels)
+
+    async def stream_events(self) -> AsyncGenerator[tuple[str, bytes], None]:
+        async for notify in self._listener_conn.notifies():
+            yield notify.channel, notify.payload.encode("utf-8")
+
+    async def get_history(self, channel: str, limit: int | None = None) -> list[bytes]:
+        raise NotImplementedError()
diff --git a/litestar/channels/plugin.py b/litestar/channels/plugin.py
index ae7dcc78b3..985c337847 100644
--- a/litestar/channels/plugin.py
+++ b/litestar/channels/plugin.py
@@ -311,10 +311,10 @@ async def _sub_worker(self) -> None:
                 subscriber.put_nowait(payload)
 
     async def _on_startup(self) -> None:
+        await self._backend.on_startup()
         self._pub_queue = Queue()
         self._pub_task = create_task(self._pub_worker())
         self._sub_task = create_task(self._sub_worker())
-        await self._backend.on_startup()
         if self._channels:
             await self._backend.subscribe(list(self._channels))
 
diff --git a/litestar/contrib/pydantic/pydantic_dto_factory.py b/litestar/contrib/pydantic/pydantic_dto_factory.py
index d61f95d671..e7a7f901ee 100644
--- a/litestar/contrib/pydantic/pydantic_dto_factory.py
+++ b/litestar/contrib/pydantic/pydantic_dto_factory.py
@@ -8,7 +8,7 @@
 from litestar.contrib.pydantic.utils import is_pydantic_undefined
 from litestar.dto.base_dto import AbstractDTO
 from litestar.dto.data_structures import DTOFieldDefinition
-from litestar.dto.field import DTO_FIELD_META_KEY, DTOField
+from litestar.dto.field import DTO_FIELD_META_KEY, extract_dto_field
 from litestar.exceptions import MissingDependencyException, ValidationException
 from litestar.types.empty import Empty
 
@@ -81,7 +81,8 @@ def generate_field_definitions(
 
         for field_name, field_info in model_fields.items():
             field_definition = model_field_definitions[field_name]
-            dto_field = (field_definition.extra or {}).pop(DTO_FIELD_META_KEY, DTOField())
+            dto_field = extract_dto_field(field_definition, field_definition.extra)
+            field_definition.extra.pop(DTO_FIELD_META_KEY, None)
 
             if not is_pydantic_undefined(field_info.default):
                 default = field_info.default
diff --git a/litestar/dto/dataclass_dto.py b/litestar/dto/dataclass_dto.py
index 554b0f3343..5301abac83 100644
--- a/litestar/dto/dataclass_dto.py
+++ b/litestar/dto/dataclass_dto.py
@@ -5,7 +5,7 @@
 
 from litestar.dto.base_dto import AbstractDTO
 from litestar.dto.data_structures import DTOFieldDefinition
-from litestar.dto.field import DTO_FIELD_META_KEY, DTOField
+from litestar.dto.field import extract_dto_field
 from litestar.params import DependencyKwarg, KwargDefinition
 from litestar.types.empty import Empty
 
@@ -40,7 +40,7 @@ def generate_field_definitions(
                 DTOFieldDefinition.from_field_definition(
                     field_definition=field_definition,
                     default_factory=default_factory,
-                    dto_field=dc_field.metadata.get(DTO_FIELD_META_KEY, DTOField()),
+                    dto_field=extract_dto_field(field_definition, dc_field.metadata),
                     model_name=model_type.__name__,
                 ),
                 name=key,
diff --git a/litestar/dto/field.py b/litestar/dto/field.py
index d5ed4b0a99..447b40a796 100644
--- a/litestar/dto/field.py
+++ b/litestar/dto/field.py
@@ -3,13 +3,19 @@
 
 from dataclasses import dataclass
 from enum import Enum
-from typing import Literal
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from typing import Any, Literal, Mapping
+
+    from litestar.typing import FieldDefinition
 
 __all__ = (
     "DTO_FIELD_META_KEY",
     "DTOField",
     "Mark",
     "dto_field",
+    "extract_dto_field",
 )
 
 DTO_FIELD_META_KEY = "__dto__"
@@ -26,7 +32,7 @@ class Mark(str, Enum):
     """To mark a field that can neither be read or updated by clients."""
 
 
-@dataclass
+@dataclass(unsafe_hash=True)
 class DTOField:
     """For configuring DTO behavior on model fields."""
 
@@ -47,3 +53,28 @@ def dto_field(mark: Literal["read-only", "write-only", "private"] | Mark) -> dic
         Marking a field automates its inclusion/exclusion from DTO field definitions, depending on the DTO's purpose.
     """
     return {DTO_FIELD_META_KEY: DTOField(mark=Mark(mark))}
+
+
+def extract_dto_field(field_definition: FieldDefinition, field_info_mapping: Mapping[str, Any]) -> DTOField:
+    """Extract ``DTOField`` instance for a model field.
+
+    Supports ``DTOField`` to bet set via ``Annotated`` or via a field info/metadata mapping.
+
+    E.g., ``Annotated[str, DTOField(mark="read-only")]`` or ``info=dto_field(mark="read-only")``.
+
+    If a value is found in ``field_info_mapping``, it is prioritized over the field definition's metadata.
+
+    Args:
+        field_definition: A field definition.
+        field_info_mapping: A field metadata/info attribute mapping, e.g., SQLAlchemy's ``info`` attribute,
+          or dataclasses ``metadata`` attribute.
+
+    Returns:
+        DTO field info, if any.
+    """
+    if inst := field_info_mapping.get(DTO_FIELD_META_KEY):
+        if not isinstance(inst, DTOField):
+            raise TypeError(f"DTO field info must be an instance of DTOField, got '{inst}'")
+        return inst
+
+    return next((f for f in field_definition.metadata if isinstance(f, DTOField)), DTOField())
diff --git a/litestar/dto/msgspec_dto.py b/litestar/dto/msgspec_dto.py
index 826a1d274f..9996319747 100644
--- a/litestar/dto/msgspec_dto.py
+++ b/litestar/dto/msgspec_dto.py
@@ -7,7 +7,7 @@
 
 from litestar.dto.base_dto import AbstractDTO
 from litestar.dto.data_structures import DTOFieldDefinition
-from litestar.dto.field import DTO_FIELD_META_KEY, DTOField
+from litestar.dto.field import DTO_FIELD_META_KEY, extract_dto_field
 from litestar.types.empty import Empty
 
 if TYPE_CHECKING:
@@ -36,7 +36,8 @@ def default_or_none(value: Any) -> Any:
 
         for key, field_definition in cls.get_model_type_hints(model_type).items():
             msgspec_field = msgspec_fields[key]
-            dto_field = (field_definition.extra or {}).pop(DTO_FIELD_META_KEY, DTOField())
+            dto_field = extract_dto_field(field_definition, field_definition.extra)
+            field_definition.extra.pop(DTO_FIELD_META_KEY, None)
 
             yield replace(
                 DTOFieldDefinition.from_field_definition(
diff --git a/pdm.lock b/pdm.lock
index 118c916546..21574c4f6d 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "standard", "jwt", "pydantic", "cli", "picologging", "dev-contrib", "piccolo", "prometheus", "dev", "mako", "test", "brotli", "cryptography", "linting", "attrs", "opentelemetry", "docs", "redis", "sqlalchemy", "full", "annotated-types", "jinja", "structlog", "minijinja"]
 strategy = ["cross_platform"]
 lock_version = "4.4"
-content_hash = "sha256:e3ef2b1bbcc753c48d8185f97fb73f909523db7b83d3c793e33c69f06ca5377c"
+content_hash = "sha256:41d1a0bec4e7f740ddcc225a576790c26341ac50eee37864a7a1486d04cb3687"
 
 [[package]]
 name = "accessible-pygments"
@@ -284,6 +284,20 @@ files = [
     {file = "Babel-2.13.1.tar.gz", hash = "sha256:33e0952d7dd6374af8dbf6768cc4ddf3ccfefc244f9986d4074704f2fbd18900"},
 ]
 
+[[package]]
+name = "backports-zoneinfo"
+version = "0.2.1"
+requires_python = ">=3.6"
+summary = "Backport of the standard library zoneinfo module"
+files = [
+    {file = "backports.zoneinfo-0.2.1-cp38-cp38-macosx_10_14_x86_64.whl", hash = "sha256:8961c0f32cd0336fb8e8ead11a1f8cd99ec07145ec2931122faaac1c8f7fd987"},
+    {file = "backports.zoneinfo-0.2.1-cp38-cp38-manylinux1_i686.whl", hash = "sha256:e81b76cace8eda1fca50e345242ba977f9be6ae3945af8d46326d776b4cf78d1"},
+    {file = "backports.zoneinfo-0.2.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:7b0a64cda4145548fed9efc10322770f929b944ce5cee6c0dfe0c87bf4c0c8c9"},
+    {file = "backports.zoneinfo-0.2.1-cp38-cp38-win32.whl", hash = "sha256:1b13e654a55cd45672cb54ed12148cd33628f672548f373963b0bff67b217328"},
+    {file = "backports.zoneinfo-0.2.1-cp38-cp38-win_amd64.whl", hash = "sha256:4a0f800587060bf8880f954dbef70de6c11bbe59c673c3d818921f042f9954a6"},
+    {file = "backports.zoneinfo-0.2.1.tar.gz", hash = "sha256:fadbfe37f74051d024037f223b8e001611eac868b5c5b06144ef4d8b799862f2"},
+]
+
 [[package]]
 name = "beanie"
 version = "1.23.6"
@@ -1409,7 +1423,7 @@ files = [
 [[package]]
 name = "litestar-sphinx-theme"
 version = "0.2.0"
-requires_python = ">=3.8,<4.0"
+requires_python = "<4.0,>=3.8"
 git = "https://github.com/litestar-org/litestar-sphinx-theme.git"
 revision = "c5ce66aadc8f910c24f54bf0d172798c237a67eb"
 summary = "A Sphinx theme for the Litestar organization"
@@ -2043,6 +2057,182 @@ files = [
     {file = "prometheus_client-0.19.0.tar.gz", hash = "sha256:4585b0d1223148c27a225b10dbec5ae9bc4c81a99a3fa80774fa6209935324e1"},
 ]
 
+[[package]]
+name = "psycopg"
+version = "3.1.13"
+requires_python = ">=3.7"
+summary = "PostgreSQL database adapter for Python"
+dependencies = [
+    "backports-zoneinfo>=0.2.0; python_version < \"3.9\"",
+    "typing-extensions>=4.1",
+    "tzdata; sys_platform == \"win32\"",
+]
+files = [
+    {file = "psycopg-3.1.13-py3-none-any.whl", hash = "sha256:1253010894cfb64e2da4556d4eff5f05e45cafee641f64e02453be849c8f7687"},
+    {file = "psycopg-3.1.13.tar.gz", hash = "sha256:e6d047ce16950651d6e26c7c19ca57cc42e1d4841b58729f691244baeee46e30"},
+]
+
+[[package]]
+name = "psycopg-binary"
+version = "3.1.13"
+requires_python = ">=3.7"
+summary = "PostgreSQL database adapter for Python -- C optimisation distribution"
+files = [
+    {file = "psycopg_binary-3.1.13-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:2cebf20e3c63e9fd5bb73a644b1327fed3f9496c394aec559a49f77ac0772fe2"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:323e6b2caedcb81a57e7b563d31b7cdb2b12aa29f641c3f4a8d071b96cdfafbe"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:eac64d6b11e0ea9cadaaa3eda30ac3406c46561b1c482113bbdd7e64446a96e1"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:ae25d20847962f1800dc1d24e8b22876f736ce3076d923db9d902522c21498a8"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:1ed5c7ca4a0b241b4360c90cae961156f0c2a6c2822fb61f68076b928650b523"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7104f8e508d02532d2796563ed6c49a47d24935192f1c13a5b54f3cd78f5686a"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-musllinux_1_1_aarch64.whl", hash = "sha256:7b4e12ced8c8be2cd8d164d26c247c43713ba3e8c303a2b6334830bd081ace4b"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:31d00c5ad42ec6a7f5365dc2ada0ac1597741e49781aa49a9c0db708a68b07f5"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-musllinux_1_1_ppc64le.whl", hash = "sha256:c574e8e418fc98fcce054e24b3ea274e9ccbcf5310e47db8d5c07834e22bfa15"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:8adf7af9a92d3b4cb849a79604735512d15fe51497a6b8a9accfe480b656a2a8"},
+    {file = "psycopg_binary-3.1.13-cp310-cp310-win_amd64.whl", hash = "sha256:c7cc4a583e279c6aa11aad41c99067e84477debd4501bac08c74539ddcebd4e3"},
+    {file = "psycopg_binary-3.1.13-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:770f16be9c0b542ae31c68204b4fb06e1484398a71ca9d9826cf37e6f6aa7973"},
+    {file = "psycopg_binary-3.1.13-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:d5b82e82ed025ca09449a97323f82db10edf31dc2a96b021b42fcf351cb95b56"},
+    {file = "psycopg_binary-3.1.13-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:95f62d0140b47a71aed55ff52eaae81a134ffc047cffdf73c564aebbc3259b9e"},
+    {file = "psycopg_binary-3.1.13-cp311-cp311-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:4cccc2b2516ed00bfffd3d5eb8d29f0983ae57b1273c026c6a914125d2519be6"},
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+    {file = "psycopg2_binary-2.9.9-cp38-cp38-win_amd64.whl", hash = "sha256:a6cdcc3ede532f4a4b96000b6362099591ab4a3e913d70bcbac2b56c872446f7"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:72dffbd8b4194858d0941062a9766f8297e8868e1dd07a7b36212aaa90f49472"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:30dcc86377618a4c8f3b72418df92e77be4254d8f89f14b8e8f57d6d43603c0f"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:31a34c508c003a4347d389a9e6fcc2307cc2150eb516462a7a17512130de109e"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:15208be1c50b99203fe88d15695f22a5bed95ab3f84354c494bcb1d08557df67"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:1873aade94b74715be2246321c8650cabf5a0d098a95bab81145ffffa4c13876"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:3a58c98a7e9c021f357348867f537017057c2ed7f77337fd914d0bedb35dace7"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-musllinux_1_1_aarch64.whl", hash = "sha256:4686818798f9194d03c9129a4d9a702d9e113a89cb03bffe08c6cf799e053291"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:ebdc36bea43063116f0486869652cb2ed7032dbc59fbcb4445c4862b5c1ecf7f"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-musllinux_1_1_ppc64le.whl", hash = "sha256:ca08decd2697fdea0aea364b370b1249d47336aec935f87b8bbfd7da5b2ee9c1"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:ac05fb791acf5e1a3e39402641827780fe44d27e72567a000412c648a85ba860"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-win32.whl", hash = "sha256:9dba73be7305b399924709b91682299794887cbbd88e38226ed9f6712eabee90"},
+    {file = "psycopg2_binary-2.9.9-cp39-cp39-win_amd64.whl", hash = "sha256:f7ae5d65ccfbebdfa761585228eb4d0df3a8b15cfb53bd953e713e09fbb12957"},
+]
+
+[[package]]
+name = "psycopg"
+version = "3.1.13"
+extras = ["binary", "pool"]
+requires_python = ">=3.7"
+summary = "PostgreSQL database adapter for Python"
+dependencies = [
+    "psycopg-binary==3.1.13",
+    "psycopg-pool",
+    "psycopg==3.1.13",
+]
+files = [
+    {file = "psycopg-3.1.13-py3-none-any.whl", hash = "sha256:1253010894cfb64e2da4556d4eff5f05e45cafee641f64e02453be849c8f7687"},
+    {file = "psycopg-3.1.13.tar.gz", hash = "sha256:e6d047ce16950651d6e26c7c19ca57cc42e1d4841b58729f691244baeee46e30"},
+]
+
 [[package]]
 name = "pyasn1"
 version = "0.5.0"
@@ -3353,6 +3543,16 @@ files = [
     {file = "typing_extensions-4.8.0.tar.gz", hash = "sha256:df8e4339e9cb77357558cbdbceca33c303714cf861d1eef15e1070055ae8b7ef"},
 ]
 
+[[package]]
+name = "tzdata"
+version = "2023.3"
+requires_python = ">=2"
+summary = "Provider of IANA time zone data"
+files = [
+    {file = "tzdata-2023.3-py2.py3-none-any.whl", hash = "sha256:7e65763eef3120314099b6939b5546db7adce1e7d6f2e179e3df563c70511eda"},
+    {file = "tzdata-2023.3.tar.gz", hash = "sha256:11ef1e08e54acb0d4f95bdb1be05da659673de4acbd21bf9c69e94cc5e907a3a"},
+]
+
 [[package]]
 name = "urllib3"
 version = "2.0.7"
diff --git a/pyproject.toml b/pyproject.toml
index 528aa8948b..dbfb684a7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -107,6 +107,9 @@ dev = [
   "trio",
   "aiosqlite",
   "exceptiongroup; python_version < \"3.11\"",
+  "asyncpg>=0.29.0",
+  "psycopg[pool,binary]>=3.1.10",
+  "psycopg2-binary",
 ]
 dev-contrib = ["opentelemetry-sdk", "httpx-sse"]
 docs = [
diff --git a/tests/docker_service_fixtures.py b/tests/docker_service_fixtures.py
index 536a75c025..ee70f10761 100644
--- a/tests/docker_service_fixtures.py
+++ b/tests/docker_service_fixtures.py
@@ -139,3 +139,8 @@ async def postgres_responsive(host: str) -> bool:
         return (await conn.fetchrow("SELECT 1"))[0] == 1  # type: ignore
     finally:
         await conn.close()
+
+
+@pytest.fixture()
+async def postgres_service(docker_services: DockerServiceRegistry) -> None:
+    await docker_services.start("postgres", check=postgres_responsive)
diff --git a/tests/unit/test_channels/conftest.py b/tests/unit/test_channels/conftest.py
index c95799143d..1f041ae901 100644
--- a/tests/unit/test_channels/conftest.py
+++ b/tests/unit/test_channels/conftest.py
@@ -3,7 +3,9 @@
 import pytest
 from redis.asyncio import Redis as AsyncRedis
 
+from litestar.channels.backends.asyncpg import AsyncPgChannelsBackend
 from litestar.channels.backends.memory import MemoryChannelsBackend
+from litestar.channels.backends.psycopg import PsycoPgChannelsBackend
 from litestar.channels.backends.redis import RedisChannelsPubSubBackend, RedisChannelsStreamBackend
 
 
@@ -37,3 +39,13 @@ def redis_pub_sub_backend(redis_client: AsyncRedis) -> RedisChannelsPubSubBacken
 @pytest.fixture()
 def memory_backend() -> MemoryChannelsBackend:
     return MemoryChannelsBackend(history=10)
+
+
+@pytest.fixture()
+def postgres_asyncpg_backend(postgres_service: None, docker_ip: str) -> AsyncPgChannelsBackend:
+    return AsyncPgChannelsBackend(f"postgres://postgres:super-secret@{docker_ip}:5423")
+
+
+@pytest.fixture()
+def postgres_psycopg_backend(postgres_service: None, docker_ip: str) -> PsycoPgChannelsBackend:
+    return PsycoPgChannelsBackend(f"postgres://postgres:super-secret@{docker_ip}:5423")
diff --git a/tests/unit/test_channels/test_backends.py b/tests/unit/test_channels/test_backends.py
index 17eb0baf8f..871d355131 100644
--- a/tests/unit/test_channels/test_backends.py
+++ b/tests/unit/test_channels/test_backends.py
@@ -3,14 +3,18 @@
 import asyncio
 from datetime import timedelta
 from typing import AsyncGenerator, cast
+from unittest.mock import AsyncMock, MagicMock
 
 import pytest
 from _pytest.fixtures import FixtureRequest
 from redis.asyncio.client import Redis
 
 from litestar.channels import ChannelsBackend
+from litestar.channels.backends.asyncpg import AsyncPgChannelsBackend
 from litestar.channels.backends.memory import MemoryChannelsBackend
+from litestar.channels.backends.psycopg import PsycoPgChannelsBackend
 from litestar.channels.backends.redis import RedisChannelsPubSubBackend, RedisChannelsStreamBackend
+from litestar.exceptions import ImproperlyConfiguredException
 from litestar.utils.compat import async_next
 
 
@@ -18,6 +22,8 @@
     params=[
         pytest.param("redis_pub_sub_backend", id="redis:pubsub", marks=pytest.mark.xdist_group("redis")),
         pytest.param("redis_stream_backend", id="redis:stream", marks=pytest.mark.xdist_group("redis")),
+        pytest.param("postgres_asyncpg_backend", id="postgres:asyncpg", marks=pytest.mark.xdist_group("postgres")),
+        pytest.param("postgres_psycopg_backend", id="postgres:psycopg", marks=pytest.mark.xdist_group("postgres")),
         pytest.param("memory_backend", id="memory"),
     ]
 )
@@ -82,7 +88,7 @@ async def test_unsubscribe_without_subscription(channels_backend: ChannelsBacken
 async def test_get_history(
     channels_backend: ChannelsBackend, history_limit: int | None, expected_history_length: int
 ) -> None:
-    if isinstance(channels_backend, RedisChannelsPubSubBackend):
+    if isinstance(channels_backend, (RedisChannelsPubSubBackend, AsyncPgChannelsBackend, PsycoPgChannelsBackend)):
         pytest.skip("Redis pub/sub backend does not support history")
 
     messages = [str(i).encode() for i in range(100)]
@@ -97,7 +103,7 @@ async def test_get_history(
 
 
 async def test_discards_history_entries(channels_backend: ChannelsBackend) -> None:
-    if isinstance(channels_backend, RedisChannelsPubSubBackend):
+    if isinstance(channels_backend, (RedisChannelsPubSubBackend, AsyncPgChannelsBackend, PsycoPgChannelsBackend)):
         pytest.skip("Redis pub/sub backend does not support history")
 
     for _ in range(20):
@@ -133,3 +139,35 @@ async def test_memory_publish_not_initialized_raises() -> None:
 
     with pytest.raises(RuntimeError):
         await backend.publish(b"foo", ["something"])
+
+
+@pytest.mark.xdist_group("postgres")
+async def test_asyncpg_get_history(postgres_asyncpg_backend: AsyncPgChannelsBackend) -> None:
+    with pytest.raises(NotImplementedError):
+        await postgres_asyncpg_backend.get_history("something")
+
+
+@pytest.mark.xdist_group("postgres")
+async def test_psycopg_get_history(postgres_psycopg_backend: PsycoPgChannelsBackend) -> None:
+    with pytest.raises(NotImplementedError):
+        await postgres_psycopg_backend.get_history("something")
+
+
+async def test_asyncpg_make_connection() -> None:
+    make_connection = AsyncMock()
+
+    backend = AsyncPgChannelsBackend(make_connection=make_connection)
+    await backend.on_startup()
+
+    make_connection.assert_awaited_once()
+
+
+async def test_asyncpg_no_make_conn_or_dsn_passed_raises() -> None:
+    with pytest.raises(ImproperlyConfiguredException):
+        AsyncPgChannelsBackend()  # type: ignore[call-overload]
+
+
+def test_asyncpg_listener_raises_on_non_string_payload() -> None:
+    backend = AsyncPgChannelsBackend(make_connection=AsyncMock())
+    with pytest.raises(RuntimeError):
+        backend._listener(connection=MagicMock(), pid=1, payload=b"abc", channel="foo")
diff --git a/tests/unit/test_channels/test_plugin.py b/tests/unit/test_channels/test_plugin.py
index c6743e6102..856c8bc9a8 100644
--- a/tests/unit/test_channels/test_plugin.py
+++ b/tests/unit/test_channels/test_plugin.py
@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import asyncio
+import time
 from secrets import token_hex
 from typing import cast
 from unittest.mock import AsyncMock, MagicMock
@@ -24,6 +25,8 @@
     params=[
         pytest.param("redis_pub_sub_backend", id="redis:pubsub", marks=pytest.mark.xdist_group("redis")),
         pytest.param("redis_stream_backend", id="redis:stream", marks=pytest.mark.xdist_group("redis")),
+        pytest.param("postgres_asyncpg_backend", id="postgres:asyncpg", marks=pytest.mark.xdist_group("postgres")),
+        pytest.param("postgres_psycopg_backend", id="postgres:psycopg", marks=pytest.mark.xdist_group("postgres")),
         pytest.param("memory_backend", id="memory"),
     ]
 )
@@ -119,7 +122,7 @@ def test_create_ws_route_handlers(
 
 
 @pytest.mark.flaky(reruns=5)
-def test_ws_route_handlers_receive_arbitrary_message(channels_backend: ChannelsBackend) -> None:
+async def test_ws_route_handlers_receive_arbitrary_message(channels_backend: ChannelsBackend) -> None:
     """The websocket handlers await `WebSocket.receive()` to detect disconnection and stop the subscription.
 
     This test ensures that the subscription is only stopped in the case of receiving a `websocket.disconnect` message.
@@ -140,7 +143,7 @@ def test_ws_route_handlers_receive_arbitrary_message(channels_backend: ChannelsB
 
 
 @pytest.mark.flaky(reruns=5)
-async def test_create_ws_route_handlers_arbitrary_channels_allowed(channels_backend: ChannelsBackend) -> None:
+def test_create_ws_route_handlers_arbitrary_channels_allowed(channels_backend: ChannelsBackend) -> None:
     channels_plugin = ChannelsPlugin(
         backend=channels_backend,
         arbitrary_channels_allowed=True,
@@ -155,6 +158,8 @@ async def test_create_ws_route_handlers_arbitrary_channels_allowed(channels_back
             channels_plugin.publish("something", "foo")
             assert ws.receive_text(timeout=2) == "something"
 
+        time.sleep(0.1)
+
         with client.websocket_connect("/ws/bar") as ws:
             channels_plugin.publish("something else", "bar")
             assert ws.receive_text(timeout=2) == "something else"
diff --git a/tests/unit/test_contrib/test_msgspec.py b/tests/unit/test_contrib/test_msgspec.py
index 783f78f80f..9c28ed4ba9 100644
--- a/tests/unit/test_contrib/test_msgspec.py
+++ b/tests/unit/test_contrib/test_msgspec.py
@@ -5,7 +5,7 @@
 from msgspec import Meta, Struct, field
 from typing_extensions import Annotated
 
-from litestar.dto import MsgspecDTO, dto_field
+from litestar.dto import DTOField, MsgspecDTO, dto_field
 from litestar.dto.data_structures import DTOFieldDefinition
 from litestar.typing import FieldDefinition
 
@@ -38,3 +38,17 @@ class NotStruct:
 
     assert MsgspecDTO.detect_nested_field(FieldDefinition.from_annotation(TestStruct)) is True
     assert MsgspecDTO.detect_nested_field(FieldDefinition.from_annotation(NotStruct)) is False
+
+
+ReadOnlyInt = Annotated[int, DTOField("read-only")]
+
+
+def test_msgspec_dto_annotated_dto_field() -> None:
+    class Model(Struct):
+        a: Annotated[int, DTOField("read-only")]
+        b: ReadOnlyInt
+
+    dto_type = MsgspecDTO[Model]
+    fields = list(dto_type.generate_field_definitions(Model))
+    assert fields[0].dto_field == DTOField("read-only")
+    assert fields[1].dto_field == DTOField("read-only")
diff --git a/tests/unit/test_contrib/test_pydantic/test_pydantic_dto_factory.py b/tests/unit/test_contrib/test_pydantic/test_pydantic_dto_factory.py
index 562537f909..afe898eff9 100644
--- a/tests/unit/test_contrib/test_pydantic/test_pydantic_dto_factory.py
+++ b/tests/unit/test_contrib/test_pydantic/test_pydantic_dto_factory.py
@@ -7,7 +7,7 @@
 from typing_extensions import Annotated
 
 from litestar.contrib.pydantic import PydanticDTO
-from litestar.dto import dto_field
+from litestar.dto import DTOField, dto_field
 from litestar.dto.data_structures import DTOFieldDefinition
 from litestar.typing import FieldDefinition
 
@@ -58,3 +58,17 @@ class NotModel:
 
     assert PydanticDTO.detect_nested_field(FieldDefinition.from_annotation(TestModel)) is True
     assert PydanticDTO.detect_nested_field(FieldDefinition.from_annotation(NotModel)) is False
+
+
+ReadOnlyInt = Annotated[int, DTOField("read-only")]
+
+
+def test_pydantic_dto_annotated_dto_field() -> None:
+    class Model(BaseModel):
+        a: Annotated[int, DTOField("read-only")]
+        b: ReadOnlyInt
+
+    dto_type = PydanticDTO[Model]
+    fields = list(dto_type.generate_field_definitions(Model))
+    assert fields[0].dto_field == DTOField("read-only")
+    assert fields[1].dto_field == DTOField("read-only")
diff --git a/tests/unit/test_dto/test_factory/test_dataclass_dto.py b/tests/unit/test_dto/test_factory/test_dataclass_dto.py
index 42aea8cc91..7a334a2c39 100644
--- a/tests/unit/test_dto/test_factory/test_dataclass_dto.py
+++ b/tests/unit/test_dto/test_factory/test_dataclass_dto.py
@@ -6,6 +6,7 @@
 from unittest.mock import ANY
 
 import pytest
+from typing_extensions import Annotated
 
 from litestar.dto import DataclassDTO, DTOField
 from litestar.dto.data_structures import DTOFieldDefinition
@@ -121,3 +122,20 @@ def test_dataclass_field_definitions(dto_type: type[DataclassDTO[Model]]) -> Non
 def test_dataclass_detect_nested(dto_type: type[DataclassDTO[Model]]) -> None:
     assert dto_type.detect_nested_field(FieldDefinition.from_annotation(Model)) is True
     assert dto_type.detect_nested_field(FieldDefinition.from_annotation(int)) is False
+
+
+ReadOnlyInt = Annotated[int, DTOField("read-only")]
+
+
+def test_dataclass_dto_annotated_dto_field() -> None:
+    Annotated[int, DTOField("read-only")]
+
+    @dataclass
+    class Model:
+        a: Annotated[int, DTOField("read-only")]
+        b: ReadOnlyInt
+
+    dto_type = DataclassDTO[Model]
+    fields = list(dto_type.generate_field_definitions(Model))
+    assert fields[0].dto_field == DTOField("read-only")
+    assert fields[1].dto_field == DTOField("read-only")