diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index e9f8b67..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,6 +0,0 @@
-include __pkginfo__.py
-include LICENSE
-include requirements.txt
-prune **/__pycache__
-recursive-include mh_utils *.pyi
-include mh_utils/py.typed
diff --git a/pyproject.toml b/pyproject.toml
index 11dcb18..3bf54ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
-requires = [ "setuptools>=40.6.0", "wheel>=0.34.2",]
-build-backend = "setuptools.build_meta"
+requires = [ "whey",]
+build-backend = "whey"
 
 [project]
 name = "mh_utils"
@@ -21,3 +21,14 @@ Homepage = "https://github.com/domdfcoding/mh_utils"
 "Issue Tracker" = "https://github.com/domdfcoding/mh_utils/issues"
 "Source Code" = "https://github.com/domdfcoding/mh_utils"
 Documentation = "https://mh_utils.readthedocs.io/en/latest"
+
+[tool.whey]
+base-classifiers = [
+    "Intended Audience :: Developers",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Typing :: Typed",
+]
+python-versions = [ "3.6", "3.7", "3.8", "3.9",]
+python-implementations = [ "CPython",]
+platforms = [ "Windows", "macOS", "Linux",]
+license-key = "LGPL-3.0-or-later"
diff --git a/repo_helper.yml b/repo_helper.yml
index 61dcbd2..ef2b699 100644
--- a/repo_helper.yml
+++ b/repo_helper.yml
@@ -9,6 +9,10 @@ version: '0.2.1'
 license: 'LGPLv3+'
 short_desc: 'Utilities for handing ancillary files produced by MassHunter.'
 
+use_whey: true
+min_coverage: 85
+pre_commit_exclude: ^tests/test_xml/.*\.xml$
+
 conda_channels:
  - conda-forge
 
@@ -26,8 +30,6 @@ extra_sphinx_extensions:
 mypy_plugins:
  - attr_utils.mypy_plugin
 
-pre_commit_exclude: ^tests/test_xml/.*\.xml$
-
 classifiers:
  - 'Intended Audience :: Developers'
  - 'Topic :: Software Development :: Libraries :: Python Modules'
@@ -36,5 +38,3 @@ keywords:
  - chemistry
  - mass-spectrometry
  - chromatography
-
-min_coverage: 85
diff --git a/setup.py b/setup.py
deleted file mode 100644
index f5cd633..0000000
--- a/setup.py
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/usr/bin/env python
-# This file is managed by 'repo_helper'. Don't edit it directly.
-
-# stdlib
-import shutil
-import sys
-
-# 3rd party
-from setuptools import setup
-
-sys.path.append('.')
-
-# this package
-from __pkginfo__ import *  # pylint: disable=wildcard-import
-
-setup(
-		description="Utilities for handing ancillary files produced by MassHunter.",
-		extras_require=extras_require,
-		install_requires=install_requires,
-		py_modules=[],
-		version=__version__,
-		)
-
-shutil.rmtree("mh_utils.egg-info", ignore_errors=True)