diff --git a/README.md b/README.md
index ae52eed3..26f36d99 100644
--- a/README.md
+++ b/README.md
@@ -386,18 +386,19 @@ can also get all the extra fields on the Pydantic model as a dict with
 
 You can directly override the [httpx client](https://www.python-httpx.org/api/#client) to customize it for your use case, including:
 
-- Support for proxies
-- Custom transports
+- Support for [proxies](https://www.python-httpx.org/advanced/proxies/)
+- Custom [transports](https://www.python-httpx.org/advanced/transports/)
 - Additional [advanced](https://www.python-httpx.org/advanced/clients/) functionality
 
 ```python
+import httpx
 from openlayer import Openlayer, DefaultHttpxClient
 
 client = Openlayer(
     # Or use the `OPENLAYER_BASE_URL` env var
     base_url="http://my.test.server.example.com:8083",
     http_client=DefaultHttpxClient(
-        proxies="http://my.test.proxy.example.com",
+        proxy="http://my.test.proxy.example.com",
         transport=httpx.HTTPTransport(local_address="0.0.0.0"),
     ),
 )
diff --git a/requirements-dev.lock b/requirements-dev.lock
index b42c3e61..7a726a06 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -74,9 +74,9 @@ pluggy==1.5.0
     # via pytest
 pyarrow==14.0.1
     # via openlayer
-pydantic==2.9.2
+pydantic==2.10.3
     # via openlayer
-pydantic-core==2.23.4
+pydantic-core==2.27.1
     # via pydantic
 pygments==2.18.0
     # via rich
diff --git a/requirements.lock b/requirements.lock
index a4be3175..14bdfd3f 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -42,9 +42,9 @@ pandas==2.2.2
     # via openlayer
 pyarrow==14.0.1
     # via openlayer
-pydantic==2.9.2
+pydantic==2.10.3
     # via openlayer
-pydantic-core==2.23.4
+pydantic-core==2.27.1
     # via pydantic
 python-dateutil==2.9.0.post0
     # via pandas
diff --git a/src/openlayer/_types.py b/src/openlayer/_types.py
index 4135ae9e..c19dc25f 100644
--- a/src/openlayer/_types.py
+++ b/src/openlayer/_types.py
@@ -192,10 +192,8 @@ def get(self, __key: str) -> str | None: ...
 StrBytesIntFloat = Union[str, bytes, int, float]
 
 # Note: copied from Pydantic
-# https://github.com/pydantic/pydantic/blob/32ea570bf96e84234d2992e1ddf40ab8a565925a/pydantic/main.py#L49
-IncEx: TypeAlias = Union[
-    Set[int], Set[str], Mapping[int, Union["IncEx", Literal[True]]], Mapping[str, Union["IncEx", Literal[True]]]
-]
+# https://github.com/pydantic/pydantic/blob/6f31f8f68ef011f84357330186f603ff295312fd/pydantic/main.py#L79
+IncEx: TypeAlias = Union[Set[int], Set[str], Mapping[int, Union["IncEx", bool]], Mapping[str, Union["IncEx", bool]]]
 
 PostParser = Callable[[Any], Any]