diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 52fe8aa..42b4376 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -51,3 +51,7 @@ repos:
         - flake8-unused-arguments==0.0.13
         - flake8-noqa==1.3
         - pep8-naming==0.13.3
+  - repo: https://github.com/tox-dev/pyproject-fmt
+    rev: "0.9.2"
+    hooks:
+    - id: pyproject-fmt
diff --git a/pyproject.toml b/pyproject.toml
index 3b82081..2fe3bd2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,20 +1,21 @@
 [build-system]
 build-backend = "hatchling.build"
-requires = ["hatchling>=1.12.2", "hatch-vcs>=0.3"]
+requires = [
+  "hatch-vcs>=0.3",
+  "hatchling>=1.12.2",
+]
 
 [project]
 name = "pytest-env"
 description = "py.test plugin that allows you to add environment variables."
 readme = "README.md"
+keywords = [
+  "env",
+  "pytest",
+]
 license.file = "LICENSE"
 maintainers = [{ name = "Bernát Gábor", email = "gaborjbernat@gmail.com" }]
-urls.Homepage = "https://github.com/pytest-dev/pytest-env"
-urls.Source = "https://github.com/pytest-dev/pytest-env"
-urls.Tracker = "https://github.com/pytest-dev/pytest-env/issues"
 requires-python = ">=3.7"
-dependencies = ["pytest>=7.2.1"]
-optional-dependencies.test = ["coverage>=7.1", "pytest-mock>=3.10"]
-keywords = ["pytest", "env"]
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Intended Audience :: Developers",
@@ -26,8 +27,19 @@ classifiers = [
   "Programming Language :: Python :: Implementation :: CPython",
   "Topic :: Software Development :: Libraries :: Python Modules",
 ]
-dynamic = ["version"]
-
+dynamic = [
+  "version",
+]
+dependencies = [
+  "pytest>=7.2.1",
+]
+optional-dependencies.test = [
+  "coverage>=7.1",
+  "pytest-mock>=3.10",
+]
+urls.Homepage = "https://github.com/pytest-dev/pytest-env"
+urls.Source = "https://github.com/pytest-dev/pytest-env"
+urls.Tracker = "https://github.com/pytest-dev/pytest-env/issues"
 [project.entry-points.pytest11]
 env = "pytest_env.plugin"
 
@@ -38,6 +50,10 @@ version.source = "vcs"
 [tool.black]
 line-length = 120
 
+[tool.isort]
+profile = "black"
+known_first_party = ["pytest_env"]
+
 [tool.coverage]
 run.source = ["pytest_env", "tests"]
 run.dynamic_context = "test_function"
@@ -60,7 +76,3 @@ paths.source = [
 python_version = "3.10"
 show_error_codes = true
 strict = true
-
-[tool.isort]
-profile = "black"
-known_first_party = ["pytest_env"]