diff --git a/.flake8 b/.flake8
new file mode 100644
index 00000000..b715b127
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,13 @@
+[flake8]
+max-complexity = 18
+max-line-length = 88
+exclude = docs/conf.py
+count = True
+statistics = True
+import-order-style = google
+application-import-names = cabinetry, utils
+# ignore whitespace before ':'
+extend-ignore = E203
+# ignore print statements in example
+per-file-ignores =
+    example.py: T
diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index 0ee3af78..4ab664e9 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -24,16 +24,12 @@ jobs:
       with:
         python-version: '3.x'
 
-    - name: Install python-build, check-manifest, and twine
+    - name: Install python-build and twine
       run: |
         python -m pip install --upgrade pip setuptools wheel
-        python -m pip install build check-manifest twine
+        python -m pip install build twine
         python -m pip list
 
-    - name: Check MANIFEST
-      run: |
-        check-manifest --verbose
-
     - name: Build a wheel and a sdist
       run: |
         python -m build --outdir dist/ .
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index dcd2caff..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,13 +0,0 @@
-prune **
-graft src
-graft tests
-graft utils
-
-include setup.py
-include setup.cfg
-include LICENSE
-include README.md
-include pyproject.toml
-include MANIFEST.in
-
-global-exclude __pycache__ *.py[cod] *.png *.root
diff --git a/pyproject.toml b/pyproject.toml
index c1f2fc10..d4d22bb9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,115 @@
 [build-system]
-requires = ["setuptools>=42"]
-build-backend = "setuptools.build_meta"
+requires = [
+    "hatchling>=1.13.0",
+]
+build-backend = "hatchling.build"
+
+[project]
+name = "cabinetry"
+version = "0.6.0"
+description = "design and steer profile likelihood fits"
+readme = "README.md"
+license = { text = "BSD-3-Clause" }  # SPDX short identifier
+requires-python = ">=3.8"
+authors = [
+    { name = "Alexander Held", email = "alexander.held@cern.ch" },
+]
+maintainers = [ {name = "The Scikit-HEP admins", email = "scikit-hep-admins@googlegroups.com"} ]
+keywords = [
+    "fitting",
+    "physics",
+    "profile likelihood",
+]
+classifiers = [
+    "Development Status :: 3 - Alpha",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: BSD License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Topic :: Scientific/Engineering",
+    "Topic :: Scientific/Engineering :: Physics",
+]
+dependencies = [
+    "pyhf[minuit]~=0.7.0",  # model.config.suggested_fixed / .par_names API changes, set_poi(None)
+    "boost_histogram>=1.0.0",  # subclassing with family, 1.02 for stdev scaling fix (currently not needed)
+    "hist>=2.5.0",  # hist.intervals.poisson_interval
+    "tabulate>=0.8.1",  # multiline text
+    "matplotlib>=3.5.0",  # layout kwarg for subplots
+    # below are direct dependencies of cabinetry, which are also included via pyhf[iminuit]
+    "numpy",
+    "pyyaml",
+    "iminuit",
+    "jsonschema",
+    "click",
+    "scipy",
+    "packaging",  # for version parsing
+]
+
+[project.scripts]
+cabinetry = "cabinetry.cli:cabinetry"
+
+[project.urls]
+Documentation = "https://cabinetry.readthedocs.io/"
+Homepage = "https://github.com/scikit-hep/cabinetry"
+"Issue Tracker" = "https://github.com/scikit-hep/cabinetry/issues"
+"Releases" = "https://github.com/scikit-hep/cabinetry/releases"
+"Source Code" = "https://github.com/scikit-hep/cabinetry"
+
+[project.optional-dependencies]
+contrib = ["uproot>=4.1.5"]  # file writing bug-fixes
+pyhf_backends = ["pyhf[backends]"]
+
+# Developer extras
+test = [
+    "cabinetry[contrib]",
+    "pytest",
+    "pytest-cov>=2.6.1",  # no_cover support
+    "pydocstyle",
+    "check-manifest",
+    "flake8",
+    "flake8-bugbear",
+    "flake8-import-order",
+    "flake8-print",
+    "mypy",
+    "types-tabulate",
+    "types-PyYAML",
+    "typeguard>=4.0.0",  # cabinetry#391
+    "black",
+]
+docs = [
+    "sphinx!=5.2.0.post0",  # broken due to version parsing in RTD theme
+    "sphinx-click",
+    "sphinx-copybutton",
+    "sphinx-jsonschema",
+    "sphinx-rtd-theme>=1.2",  # Sphinx 7 compatibility
+]
+develop = [
+    "cabinetry[test,docs]",
+    "pre-commit",
+    "twine",
+]
+complete = [
+    "cabinetry[develop]",
+    "cabinetry[pyhf_backends]",
+]
+
+[tool.hatch.build.targets.sdist]
+# hatchling always includes:
+# pyproject.toml, .gitignore, any README, any LICENSE, AUTHORS
+only-include = [
+    "/src",
+    "/tests",
+    "/utils",
+]
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/cabinetry"]
 
 [tool.black]
 target-version = ['py38']
@@ -13,6 +122,19 @@ exclude = '''
 )/
 '''
 
+[tool.pytest.ini_options]
+# running typeguard can result in lower coverage https://github.com/agronholm/typeguard/issues/356
+addopts = "--cov=cabinetry --cov-report html --cov-report term-missing --cov-branch -rsx --typeguard-packages=cabinetry"
+
+[tool.pytype]
+inputs = "src/cabinetry"
+
+[tool.pydocstyle]
+# configuration duplicated in pre-commit config
+match = "(?!setup|example).*\\.py"
+match_dir = "^(?!(tests|utils|docs)).*"
+convention = "google"
+
 [tool.mypy]
 files = "src/cabinetry"
 pretty = true
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 6abee1ab..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,78 +0,0 @@
-[metadata]
-name = cabinetry
-version = 0.6.0
-author = Alexander Held
-description = design and steer profile likelihood fits
-long_description = file: README.md
-long_description_content_type = text/markdown
-license = BSD 3-Clause
-license_files = LICENSE
-url = https://github.com/scikit-hep/cabinetry
-classifiers =
-    Development Status :: 3 - Alpha
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    License :: OSI Approved :: BSD License
-    Topic :: Scientific/Engineering
-    Topic :: Scientific/Engineering :: Physics
-
-[options]
-packages = find:
-package_dir = =src
-python_requires = >=3.8
-install_requires =
-    pyhf[minuit]~=0.7.0  # model.config.suggested_fixed / .par_names API changes, set_poi(None)
-    boost_histogram>=1.0.0  # subclassing with family, 1.02 for stdev scaling fix (currently not needed)
-    hist>=2.5.0  # hist.intervals.poisson_interval
-    tabulate>=0.8.1  # multiline text
-    matplotlib>=3.5.0  # layout kwarg for subplots
-    # below are direct dependencies of cabinetry, which are also included via pyhf[iminuit]
-    numpy
-    pyyaml
-    iminuit
-    jsonschema
-    click
-    scipy
-    packaging  # for version parsing
-
-[options.packages.find]
-where = src
-
-[options.package_data]
-cabinetry =
-    py.typed
-    schemas/config.json
-
-[options.entry_points]
-console_scripts =
-    cabinetry = cabinetry.cli:cabinetry
-
-[tool:pytest]
-# running typeguard can result in lower coverage https://github.com/agronholm/typeguard/issues/356
-addopts = --cov=cabinetry --cov-report html --cov-report term-missing --cov-branch -rsx --typeguard-packages=cabinetry
-
-[flake8]
-max-complexity = 18
-max-line-length = 88
-exclude = docs/conf.py
-count = True
-statistics = True
-import-order-style = google
-application-import-names = cabinetry, utils
-# ignore whitespace before ':'
-extend-ignore = E203
-# ignore print statements in example
-per-file-ignores =
-    example.py: T
-
-[pytype]
-inputs = src/cabinetry
-
-[pydocstyle]
-# configuration duplicated in pre-commit config
-match = (?!setup|example).*\.py
-match_dir = ^(?!(tests|utils|docs)).*
-convention = google
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 8f2af5d9..00000000
--- a/setup.py
+++ /dev/null
@@ -1,40 +0,0 @@
-from setuptools import setup
-
-extras_require = {"contrib": ["uproot>=4.1.5"]}  # file writing bug-fixes
-extras_require["test"] = sorted(
-    set(
-        extras_require["contrib"]
-        + [
-            "pytest",
-            "pytest-cov>=2.6.1",  # no_cover support
-            "pydocstyle",
-            "check-manifest",
-            "flake8",
-            "flake8-bugbear",
-            "flake8-import-order",
-            "flake8-print",
-            "mypy",
-            "types-tabulate",
-            "types-PyYAML",
-            "typeguard>=4.0.0",  # cabinetry#391
-            "black",
-        ]
-    )
-)
-extras_require["pyhf_backends"] = ["pyhf[backends]"]
-extras_require["docs"] = sorted(
-    {
-        "sphinx!=5.2.0.post0",  # broken due to version parsing in RTD theme
-        "sphinx-click",
-        "sphinx-copybutton",
-        "sphinx-jsonschema",
-        "sphinx-rtd-theme>=1.2",  # Sphinx 7 compatibility
-    }
-)
-
-extras_require["develop"] = sorted(
-    set(extras_require["test"] + extras_require["docs"] + ["pre-commit", "twine"])
-)
-extras_require["complete"] = sorted(set(sum(extras_require.values(), [])))
-
-setup(extras_require=extras_require)