diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d6ad570..4e7fbc4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,9 +25,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
       - name: Install
-        run: |
-          pip install -U pip -r requirements.txt
-          pip install .
+        run: make EXTRAS=dev install
       - name: Test
         run: thx --live test
       - name: Lint
diff --git a/makefile b/makefile
index 5b0247f..48ac94f 100644
--- a/makefile
+++ b/makefile
@@ -1,19 +1,16 @@
 SRCS:=thx
+EXTRAS:=dev,docs
 
 .venv:
 	python -m venv .venv
-	source .venv/bin/activate && make setup dev
+	source .venv/bin/activate && make install
 	echo 'run `source .venv/bin/activate` to use virtualenv'
 
 venv: .venv
 
-dev:
-	python -m pip install -e .
-
-setup:
+install:
 	python -m pip install -U pip
-	python -m pip install -Ur requirements-dev.txt
-	python -m pip install -Ur requirements.txt
+	python -m pip install -e .[$(EXTRAS)]
 
 release: lint test clean
 	flit publish
diff --git a/pyproject.toml b/pyproject.toml
index d1e6784..f7bae41 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,38 +2,69 @@
 requires = ["flit_core >=3,<4"]
 build-backend = "flit_core.buildapi"
 
-[tool.flit.metadata]
-module = "thx"
-author = "Amethyst Reese"
-author-email = "amy@noswap.com"
-description-file = "README.rst"
-home-page = "https://github.com/omnilib/thx"
-requires = [
+[project]
+name = "thx"
+readme = "README.rst"
+license = {file="LICENSE"}
+dynamic = ["version", "description"]
+authors = [
+    {name="Amethyst Reese", email="amethyst@n7.gg"},
+]
+classifiers = [
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Topic :: Utilities",
+    "Typing :: Typed",
+]
+requires-python = ">=3.8"
+dependencies = [
     "aioitertools >= 0.10.0b1",
     "click >= 8.0",
     "packaging >= 21.0",
     "rich >= 11.0.0",
     "tomli >= 1.0",
     "trailrunner >= 1.1",
-    "typing_extensions >= 4.0; python_version < '3.11'",
+    "typing_extensions >= 4.0",
     "watchdog >= 2.1",
 ]
-requires-python = ">=3.7"
-classifiers = [
-    "Intended Audience :: Developers",
-    "License :: OSI Approved :: MIT License",
-    "Topic :: Utilities",
-    "Typing :: Typed",
+
+[project.optional-dependencies]
+dev = [
+    "aioitertools==v0.11.0",
+    "click==8.1.3",
+    "packaging==24.0",
+    "rich==13.7.1",
+    "tomli==2.0.1",
+    "trailrunner==1.4.0",
+    "typing_extensions == 4.1.1",
+    "watchdog==2.1.9",
+
+    "attribution==1.7.1",
+    "black==24.4.2",
+    "coverage==7.5.1",
+    "flit==3.9.0",
+    "flake8==7.0.0",
+    "mypy==1.10.0",
+    "ufmt==2.6.0",
+    "usort==1.0.8.post1",
+]
+docs = [
+    "sphinx==7.2.6; python_version > '3.8'",
+    "sphinx-mdinclude==0.6.1",
 ]
 
+[project.scripts]
+thx = "thx.main:main"
+
+[project.urls]
+Documentation = "https://thx.omnilib.dev"
+Github = "https://github.com/omnilib/thx"
+
 [tool.flit.sdist]
 exclude = [
     ".github/",
 ]
 
-[tool.flit.scripts]
-thx = "thx.main:main"
-
 [tool.attribution]
 name = "thx"
 package = "thx"
@@ -61,6 +92,7 @@ ignore_missing_imports = true
 [tool.thx]
 default = ["format", "docs", "test", "lint", "coverage"]
 python_versions = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+extras = ["dev", "docs"]
 
 [tool.thx.values]
 module = "thx"
@@ -71,14 +103,12 @@ docs = {run="sphinx-build -ab html docs html", once=true}
 format = {run="python -m ufmt format {srcs}", once=true}
 test = "python -m coverage run -m {module}.tests"
 
-[tool.thx.jobs.combine]
-requires = ["test"]
-run = "python -m coverage combine"
-once = true
-
 [tool.thx.jobs.coverage]
-requires = ["combine"]
-run = "python -m coverage report"
+requires = ["test"]
+run = [
+    "python -m coverage combine -q",
+    "python -m coverage report",
+]
 once = true
 show_output = true
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index 329fb5d..0000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-attribution==1.7.1
-black==24.4.2
-coverage==7.5.1
-flit==3.9.0
-flake8==7.0.0
-mypy==1.10.0
-sphinx==7.3.7; python_version >= "3.9"
-sphinx-mdinclude==0.6.1
-ufmt==2.6.0
-usort==1.0.8.post1
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 7f43cc6..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-aioitertools==v0.11.0
-click==8.1.3
-packaging==24.0
-rich==13.7.1
-tomli==2.0.1
-trailrunner==1.4.0
-typing_extensions == 4.1.1
-watchdog==2.1.9