diff --git a/pyproject.toml b/pyproject.toml
index 22af118..d3a0c10 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,6 +2,51 @@
 requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
 
+[project]
+name = "nionswift-experimental"
+version = "0.7.19"
+authors = [
+    { name = "Nion Software", email = "swift@nion.com" }
+]
+description = "Experimental tools package for Nion Swift."
+readme = "README.rst"
+requires-python = ">=3.12"
+license = "GPL-3.0-only"
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14"
+]
+urls = { "Homepage" = "https://github.com/nion-software/experimental" }
+dependencies = [
+    "nionswift >=16.16,<17.0",
+    "niondata >=15.9,<16.0",
+    "nionui >=10.2,<11.0"
+]
+
+[tool.setuptools.packages.find]
+include = [
+    "nionswift_plugin",
+    "nionswift_plugin.nion_experimental_tools",
+    "nionswift_plugin.nion_experimental_tools.test",
+    "nionswift_plugin.nion_experimental_4dtools",
+    "nion.experimental",
+    "nion.experimental.test",
+    "nionswift_plugin.drift_correction"
+]
+
+[tool.setuptools.package-data]
+"nion.experimental" = ["py.typed"]
+"nionswift_plugin.drift_correction" = [
+    "resources/*.png",
+    "resources/html/*.html",
+    "resources/html/*.js",
+    "resources/html/_images/*.png",
+    "resources/html/_static/*.*"
+]
+
 [tool.pytest.ini_options]
 testpaths = [
     "nionswift_plugin/nion_experimental_tools/test",
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 874de06..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,46 +0,0 @@
-[metadata]
-name = nionswift-experimental
-version = 0.7.19
-author = Nion Software
-author_email = swift@nion.com
-description = Experimental tools package for Nion Swift.
-long_description = file: README.rst, CHANGES.rst
-url = https://github.com/nion-software/experimental
-license = GPL-3.0-only
-classifiers =
-    Development Status :: 4 - Beta
-    License :: OSI Approved :: GNU General Public License v3 (GPLv3)
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    Programming Language :: Python :: 3.13
-
-[options]
-packages = find_namespace:
-python_requires = >=3.11
-install_requires =
-    nionswift >=16.16,<17.0
-    niondata >=15.9,<16.0
-    nionui >=10.2,<11.0
-tests_require =
-    nionutils >=4.14,<5.0
-    numpy>=2.0,<3.0
-
-[options.packages.find]
-include =
-    nionswift_plugin
-    nionswift_plugin.nion_experimental_tools
-    nionswift_plugin.nion_experimental_tools.test
-    nionswift_plugin.nion_experimental_4dtools
-    nion.experimental
-    nion.experimental.test
-    nionswift_plugin.drift_correction
-
-[options.package_data]
-nion.experimental =
-    py.typed
-nionswift_plugin.drift_correction =
-    resources/*.png
-    resources/html/*.html
-    resources/html/*.js
-    resources/html/_images/*.png
-    resources/html/_static/*.*
diff --git a/setup.py b/setup.py
deleted file mode 100755
index 7f1a176..0000000
--- a/setup.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from setuptools import setup
-
-if __name__ == "__main__":
-    setup()