diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0d725ce..4b8d66a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ['3.10', '3.11', '3.12', '3.13', '3.14']
+        python: ['3.11', '3.12', '3.13', '3.14', '3.15']
     steps:
       - name: Checkout source code
         uses: actions/checkout@v7
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 47cb558..b9ed7bf 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,7 +9,7 @@ repos:
       - id: end-of-file-fixer
       - id: trailing-whitespace
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.16.6
+    rev: v0.17.0
     hooks:
       - id: ruff-check
         args: ['--fix', '--unsafe-fixes']
diff --git a/pyproject.toml b/pyproject.toml
index c7dc5cc..e347c00 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["pbr>=6.1.1"]
+requires = ["pbr>=7.1.0"]
 build-backend = "pbr.build"
 
 [project]
@@ -14,8 +14,8 @@ maintainers = [
 ]
 readme = {file = "README.rst", content-type = "text/x-rst"}
 license = "GPL-2.0"
-dynamic = ["version", "dependencies"]
-requires-python = ">=3.10"
+dynamic = ["version"]
+requires-python = ">=3.11"
 keywords = ["patchwork", "api"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
@@ -28,6 +28,15 @@ classifiers = [
     "Operating System :: OS Independent",
 ]
 
+[dependency-groups]
+test = [
+    "pytest",
+    "pytest-cov",
+]
+typing = [
+    "mypy",
+]
+
 [project.urls]
 "Bug Tracker" = "https://github.com/getpatchwork/pwclient/issues"
 "Source Code" = "https://github.com/getpatchwork/pwclient"
@@ -36,10 +45,8 @@ classifiers = [
 [project.scripts]
 pwclient = "pwclient.shell:main"
 
-[tool.setuptools]
-packages = [
-    "pwclient"
-]
+[tool.setuptools.packages.find]
+include = ["pwclient*"]
 
 [tool.ruff]
 line-length = 79
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 359a9bf..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[metadata]
-name = pwclient
diff --git a/setup.py b/setup.py
deleted file mode 100644
index aa2d8a0..0000000
--- a/setup.py
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/usr/bin/env python
-
-from setuptools import setup
-
-setup(
-    setup_requires=['pbr'],
-    pbr=True,
-)
diff --git a/test-requirements.txt b/test-requirements.txt
deleted file mode 100644
index 9955dec..0000000
--- a/test-requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-pytest
-pytest-cov
diff --git a/tox.ini b/tox.ini
index 6581048..86b292a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,10 +1,10 @@
 [tox]
 minversion = 4.6.0
-envlist = pep8,clean,py{39,310,311,312,313},report,docs,man
+envlist = pep8,clean,py{311,312,313,314,315},report,docs,man
 
 [testenv]
-deps =
-  -r{toxinidir}/test-requirements.txt
+dependency_groups =
+  test
 commands =
   pytest -Wall --cov=pwclient --cov-report term-missing {posargs}
 
@@ -16,9 +16,9 @@ commands =
   pre-commit run --all-files --show-diff-on-failure
 
 [testenv:mypy]
-deps=
-  mypy
-commands=
+dependency_groups =
+  typing
+commands =
   mypy {posargs:--ignore-missing-imports --follow-imports=skip} pwclient
 
 [testenv:report]
@@ -57,6 +57,3 @@ commands =
     --url https://github.com/getpatchwork/patchwork \
     --author="Patchwork Developers" --author-email="patchwork@lists.ozlabs.org" \
     --module pwclient.parser --function get_parser > man/pwclient.1'
-
-[flake8]
-show-source = true