diff --git a/pyproject.toml b/pyproject.toml
index 3ca4cba..a0fabb0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,6 @@ Home = "https://github.com/sbidoul/runboat"
 
 [tool.ruff]
 fix = true
-target-version = "py310"
 
 [tool.ruff.lint]
 select = [
diff --git a/src/runboat/api.py b/src/runboat/api.py
index 074fb31..018681a 100644
--- a/src/runboat/api.py
+++ b/src/runboat/api.py
@@ -237,7 +237,7 @@ class BuildEventSource:
         while True:
             try:
                 event = await asyncio.wait_for(self.queue.get(), timeout=10)
-            except asyncio.TimeoutError:
+            except TimeoutError:
                 pass
             else:
                 yield event
diff --git a/src/runboat/k8s.py b/src/runboat/k8s.py
index 9d95633..e1dbbbe 100644
--- a/src/runboat/k8s.py
+++ b/src/runboat/k8s.py
@@ -9,7 +9,7 @@ from contextlib import contextmanager
 from enum import Enum
 from importlib import resources
 from pathlib import Path
-from typing import Any, TypedDict, cast
+from typing import Any, NotRequired, TypedDict, cast
 
 import urllib3
 from jinja2 import Template
@@ -18,7 +18,6 @@ from kubernetes.client.exceptions import ApiException
 from kubernetes.client.models.v1_deployment import V1Deployment
 from kubernetes.client.models.v1_job import V1Job
 from pydantic import BaseModel
-from typing_extensions import NotRequired
 
 from .github import CommitInfo
 from .settings import BuildSettings, settings