diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 055e5f2..624d00a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -36,7 +36,7 @@ repos:
     hooks:
     -   id: flake8
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.11.1
+    rev: v1.11.2
     hooks:
     -   id: mypy
-        additional_dependencies: [types-all]
+        additional_dependencies: [flask, types-setuptools, types-pyyaml]
diff --git a/git_code_debt/server/app.py b/git_code_debt/server/app.py
index ca97bfa..a299af1 100644
--- a/git_code_debt/server/app.py
+++ b/git_code_debt/server/app.py
@@ -40,7 +40,7 @@ def before_request() -> None:
 
 
 @app.teardown_request
-def teardown_request(_: Exception | None) -> None:
+def teardown_request(_: object) -> None:
     flask.g.config = None
     flask.g.db.close()
 
diff --git a/testing/utilities/client.py b/testing/utilities/client.py
index 712b65b..3732835 100644
--- a/testing/utilities/client.py
+++ b/testing/utilities/client.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import json
-from typing import TYPE_CHECKING
 
 import flask.testing
 import pyquery
@@ -26,13 +25,7 @@ def json(self):
         return json.loads(self.text)
 
 
-if TYPE_CHECKING:
-    ClientBase = flask.testing.FlaskClient[Response]
-else:
-    ClientBase = flask.testing.FlaskClient
-
-
-class Client(ClientBase):
+class Client(flask.testing.FlaskClient):
     """A Client wraps the client given by flask to add other utilities."""
 
     def open(self, *args, **kwargs):