diff --git a/README.md b/README.md
index 18120941..61503b82 100644
--- a/README.md
+++ b/README.md
@@ -235,6 +235,8 @@ We automatically send the `Finch-API-Version` header set to `2020-09-17`.
 
 If you need to, you can override it by setting default headers per-request or on the client object.
 
+Be aware that doing so may result in incorrect types and other unexpected or undefined behavior in the SDK.
+
 ```python
 from finch import Finch
 
@@ -270,4 +272,4 @@ We are keen for your feedback; please open an [issue](https://www.github.com/Fin
 
 ## Requirements
 
-Python 3.7 or higher.
\ No newline at end of file
+Python 3.7 or higher.
diff --git a/api.md b/api.md
index 25f4d089..3da6d22c 100644
--- a/api.md
+++ b/api.md
@@ -222,4 +222,4 @@ from finch.types import DisconnectResponse, Introspection
 Methods:
 
 - <code title="post /disconnect">client.account.<a href="./src/finch/resources/account.py">disconnect</a>() -> <a href="./src/finch/types/disconnect_response.py">DisconnectResponse</a></code>
-- <code title="get /introspect">client.account.<a href="./src/finch/resources/account.py">introspect</a>() -> <a href="./src/finch/types/introspection.py">Introspection</a></code>
\ No newline at end of file
+- <code title="get /introspect">client.account.<a href="./src/finch/resources/account.py">introspect</a>() -> <a href="./src/finch/types/introspection.py">Introspection</a></code>
diff --git a/poetry.lock b/poetry.lock
index 14297edf..798b127c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -95,13 +95,13 @@ uvloop = ["uvloop (>=0.15.2)"]
 
 [[package]]
 name = "certifi"
-version = "2022.9.24"
+version = "2023.5.7"
 description = "Python package for providing Mozilla's CA Bundle."
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "certifi-2022.9.24-py3-none-any.whl", hash = "sha256:90c1a32f1d68f940488354e36370f6cca89f0f106db09518524c88d6ed83f382"},
-    {file = "certifi-2022.9.24.tar.gz", hash = "sha256:0d9c601124e5a6ba9712dbc60d9c53c21e34f5f641fe83002317394311bdce14"},
+    {file = "certifi-2023.5.7-py3-none-any.whl", hash = "sha256:c6c2e98f5c7869efca1f8916fed228dd91539f9f1b444c314c06eef02980c716"},
+    {file = "certifi-2023.5.7.tar.gz", hash = "sha256:0f0d56dc5a6ad56fd4ba36484d6cc34451e1c6548c61daad8c320169f91eddc7"},
 ]
 
 [[package]]