diff --git a/pyproject.toml b/pyproject.toml
index 4b7e3b6..de221c4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,11 +13,9 @@ classifiers = [
     "Operating System :: MacOS",
     "Operating System :: POSIX :: Linux",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
     "Typing :: Typed",
 ]
-requires-python = ">= 3.9"
+requires-python = ">= 3.11"
 dependencies = ["click", "xdg-base-dirs"]
 
 [project.urls]
@@ -45,10 +43,6 @@ warn_unused_ignores = true
 module = "tests.*"
 disallow_untyped_defs = false
 
-[tool.ruff]
-src = ["src", "test"]
-target-version = "py39"
-
 [tool.ruff.lint]
 select = [
     "E",
diff --git a/src/qbpm/__init__.py b/src/qbpm/__init__.py
index 34b2b32..cd0b417 100644
--- a/src/qbpm/__init__.py
+++ b/src/qbpm/__init__.py
@@ -16,7 +16,7 @@ class Profile:
     profile_dir: Path
     root: Path
 
-    def __init__(self, name: str, profile_dir: Optional[Path]) -> None:
+    def __init__(self, name: str, profile_dir: Path | None) -> None:
         self.name = name
         self.profile_dir = profile_dir or (xdg_data_home() / "qutebrowser-profiles")
         self.root = self.profile_dir / name
diff --git a/src/qbpm/desktop.py b/src/qbpm/desktop.py
index 08aadcc..c6f2038 100644
--- a/src/qbpm/desktop.py
+++ b/src/qbpm/desktop.py
@@ -1,6 +1,5 @@
 import textwrap
 from pathlib import Path
-from typing import Optional
 
 from xdg_base_dirs import xdg_data_home
 
@@ -23,7 +22,7 @@ MIME_TYPES = [
 
 # TODO expose application_dir through config
 def create_desktop_file(
-    profile: Profile, application_dir: Optional[Path] = None
+    profile: Profile, application_dir: Path | None = None
 ) -> None:
     text = textwrap.dedent(f"""\
         [Desktop Entry]
diff --git a/src/qbpm/main.py b/src/qbpm/main.py
index a6a52d1..ea9a4d2 100644
--- a/src/qbpm/main.py
+++ b/src/qbpm/main.py
@@ -1,8 +1,9 @@
 import logging
 import sys
+from collections.abc import Callable
 from dataclasses import dataclass
 from pathlib import Path
-from typing import Any, Callable, NoReturn, Optional
+from typing import Any, NoReturn
 
 import click
 
@@ -105,7 +106,7 @@ def new(context: Context, profile_name: str, **kwargs: Any) -> None:
 def from_session(
     context: Context,
     session: str,
-    profile_name: Optional[str],
+    profile_name: str | None,
     **kwargs: Any,
 ) -> None:
     """Create a new profile from a saved qutebrowser session.
@@ -196,7 +197,7 @@ def then_launch(
 
 
 def session_info(
-    session: str, profile_name: Optional[str], context: Context
+    session: str, profile_name: str | None, context: Context
 ) -> tuple[Profile, Path]:
     user_session_dir = user_data_dir() / "sessions"
     session_paths = []
diff --git a/src/qbpm/operations.py b/src/qbpm/operations.py
index 90eaa2a..0ea97f1 100644
--- a/src/qbpm/operations.py
+++ b/src/qbpm/operations.py
@@ -3,7 +3,6 @@ import subprocess
 from collections.abc import Iterable
 from pathlib import Path
 from sys import platform
-from typing import Optional
 
 from . import Profile, profiles
 from .desktop import create_desktop_file
@@ -13,7 +12,7 @@ from .utils import env_menus, error, installed_menus, or_phrase, qutebrowser_exe
 def from_session(
     profile: Profile,
     session_path: Path,
-    qb_config_dir: Optional[Path],
+    qb_config_dir: Path | None,
     desktop_file: bool = True,
     overwrite: bool = False,
 ) -> bool:
@@ -68,7 +67,7 @@ def desktop(profile: Profile) -> bool:
 
 
 def choose(
-    profile_dir: Path, menu: Optional[str], foreground: bool, qb_args: tuple[str, ...]
+    profile_dir: Path, menu: str | None, foreground: bool, qb_args: tuple[str, ...]
 ) -> bool:
     menu = menu or next(installed_menus(), None)
     if not menu:
@@ -112,7 +111,7 @@ def choose(
 
 def menu_command(
     menu: str, profiles: Iterable[str], qb_args: tuple[str, ...]
-) -> Optional[str]:
+) -> str | None:
     profiles = sorted(profiles)
     arg_string = " ".join(qb_args)
     if menu == "applescript":
diff --git a/src/qbpm/profiles.py b/src/qbpm/profiles.py
index 2d034a2..4a0978c 100644
--- a/src/qbpm/profiles.py
+++ b/src/qbpm/profiles.py
@@ -1,7 +1,6 @@
 from functools import partial
 from pathlib import Path
 from sys import platform
-from typing import Optional
 
 from . import Profile
 from .desktop import create_desktop_file
@@ -39,7 +38,7 @@ def create_profile(profile: Profile, overwrite: bool = False) -> bool:
 def create_config(
     profile: Profile,
     qb_config_dir: Path,
-    home_page: Optional[str] = None,
+    home_page: str | None = None,
     overwrite: bool = False,
 ) -> None:
     user_config = profile.root / "config" / "config.py"
@@ -67,9 +66,9 @@ def exists(profile: Profile) -> bool:
 
 def new_profile(
     profile: Profile,
-    qb_config_dir: Optional[Path],
-    home_page: Optional[str] = None,
-    desktop_file: Optional[bool] = None,
+    qb_config_dir: Path | None,
+    home_page: str | None = None,
+    desktop_file: bool | None = None,
     overwrite: bool = False,
 ) -> bool:
     qb_config_dir = resolve_qb_config_dir(qb_config_dir)
@@ -83,7 +82,7 @@ def new_profile(
     return False
 
 
-def resolve_qb_config_dir(qb_config_dir: Optional[Path]) -> Optional[Path]:
+def resolve_qb_config_dir(qb_config_dir: Path | None) -> Path | None:
     config_file = "config.py"
     dirs = (
         [qb_config_dir, qb_config_dir / "config"]
diff --git a/tests/test_profiles.py b/tests/test_profiles.py
index 7388050..98a4502 100644
--- a/tests/test_profiles.py
+++ b/tests/test_profiles.py
@@ -1,5 +1,4 @@
 from pathlib import Path
-from typing import Optional
 
 from qbpm import profiles
 from qbpm.profiles import Profile
@@ -9,7 +8,7 @@ def check_is_empty(path: Path):
     assert len(list(path.iterdir())) == 0
 
 
-def check_empty_profile(profile: Optional[Profile]):
+def check_empty_profile(profile: Profile | None):
     assert profile
     config_dir = profile.root / "config"
     assert list(profile.root.iterdir()) == [config_dir]