diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..4d766dd
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,47 @@
+[build-system]
+requires = ["setuptools>=68", "wheel"]
+build-backend = "setuptools.backends.legacy:build"
+
+[project]
+name = "granny"
+version = "1.0a1"
+description = "GRANNY is a software package used to rate disorder severity in pome fruits."
+authors = [
+    { name = "Nhan H. Nguyen" },
+    { name = "Heidi Hargarten" },
+    { name = "Loren Honaas" },
+    { name = "Stephen P. Ficklin" },
+]
+license = { text = "GNU General Public License v3.0" }
+requires-python = ">=3.9"
+urls = { homepage = "https://github.com/SystemsGenetics/granny" }
+dependencies = [
+    "ultralytics>=8.0,<9.0",
+    "numpy>=1.24",
+    "opencv-python>=4.8",
+    "pandas>=2.0",
+    "pyzbar>=0.1.9",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0",
+    "pytest-cov>=4.0",
+    "sphinx>=7.0",
+]
+
+[project.scripts]
+granny = "Granny.GrannyBase:run"
+
+[tool.setuptools.packages.find]
+where = ["."]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+
+[tool.coverage.run]
+source = ["Granny"]
+omit = ["tests/*", "venv/*"]
+
+[tool.coverage.report]
+show_missing = true
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 959b5bf..0000000
--- a/setup.py
+++ /dev/null
@@ -1,28 +0,0 @@
-import setuptools
-
-requirements = """
-ultralytics
-numpy
-opencv-python
-pytest
-""".split()
-
-
-setuptools.setup(
-    name="granny",
-    packages=setuptools.find_packages(),
-    url="https://github.com/SystemsGenetics/granny",
-    version="1.0a1",
-    description="GRANNY is a software package used to rate disorder severity in pome fruits.",
-    author="Nhan H. Nguyen, Heidi Hargarten, Loren Honaas, Stephen P. Ficklin",
-    license="GNU General Public License v3.0",
-    python_requires=">=3.9",
-    install_requires=[
-        requirements,
-    ],
-    entry_points={
-        "console_scripts": [
-            "granny = Granny.GrannyBase:run",
-        ]
-    },
-)