diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 48a27a1..ae50324 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,11 +9,16 @@ jobs:
         uses: actions/setup-python@master
         with:
           python-version: '3.10'
+      - name: Install dev dependencies
+        run : |
+          pip install -r requirements/dev.txt
       - name: Lint
         run: |
-          pip install -r requirements/dev.txt
           make lint
-  run:
+      - name: Build & check sdist & wheel
+        run: |
+          make dist/
+  tests:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 7e6efac..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,3 +0,0 @@
-include README.rst
-include LICENCE
-include test_simpleeval.py
diff --git a/Makefile b/Makefile
index bcc6ba1..a767214 100644
--- a/Makefile
+++ b/Makefile
@@ -6,8 +6,8 @@ autotest:
 
 .PHONY: test
 
-dist/: setup.cfg simpleeval.py README.rst
-	python -m build
+dist/: pyproject.toml simpleeval.py README.rst
+	hatch build
 	twine check dist/*
 
 pypi: test dist/
diff --git a/pyproject.toml b/pyproject.toml
index c0eb5eb..3fa7662 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,54 @@
+[project]
+name = "simpleeval"
+version = "1.0.1"
+requires-python = ">=3.9"
+readme = "README.rst"
+description = "A simple, safe single expression evaluator library."
+licence = "MIT"
+authors = [
+    { name = "Daniel Fairhead", email = "danthedeckie@gmail.com" }
+]
+maintainers = [
+    { name = "Daniel Fairhead", email = "danthedeckie@gmail.com" }
+]
+keywords = [
+    "eval", "simple", "expression", "parse", "ast"
+]
+
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Programming Language :: Python",
+]
+dependencies = [
+    "pip>=24.2",
+]
+
+[project.urls]
+"Source code" = "https://github.com/danthedeckie/simpleeval"
+
+[pycodestyle]
+max_line_length = 99
+
 [build-system]
-requires = ["setuptools>=30.3.0", "wheel"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "simpleeval.py",
+    "test_simpleeval.py",
+    "README.rst",
+    "LICENCE",
+]
+
+[tool.hatch.version]
+path = "simpleeval.py"
+
+[tool.hatch.envs.hatch-test]
+default-args = ["test_simpleeval.py"]
 
 [tool.black]
 line-length = 99
@@ -29,5 +77,4 @@ disable = [
     "useless-object-inheritance",
     "unnecessary-pass",
     "bad-super-call",
-    ]
-
+]
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 60e68af..a70b31c 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,2 +1,4 @@
 ruff==0.6.9
 mypy==1.11.2
+hatch==1.12.0
+twine==5.1.1
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 52eba7b..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,24 +0,0 @@
-[metadata]
-name = simpleeval
-version = 1.0.0
-author = Daniel Fairhead
-author_email = danthedeckie@gmail.com
-description = A simple, safe single expression evaluator library.
-keywords = eval, simple, expression, parse, ast
-url = https://github.com/danthedeckie/simpleeval
-license = MIT
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-classifiers =
-    Development Status :: 5 - Production/Stable
-    Intended Audience :: Developers
-    License :: OSI Approved :: MIT License
-    Topic :: Software Development :: Libraries :: Python Modules
-    Programming Language :: Python
-
-[options]
-py_modules = simpleeval
-python_requires = >=3.9
-
-[pycodestyle]
-max_line_length = 99