diff --git a/.github/workflows/ci-testing.yml b/.github/workflows/ci-testing.yml
index 17c9251..8a753e8 100644
--- a/.github/workflows/ci-testing.yml
+++ b/.github/workflows/ci-testing.yml
@@ -55,7 +55,7 @@ jobs:
 
     - name: Install dependencies
       run: |
-        pip install --requirement requirements.txt --upgrade --quiet --find-links https://download.pytorch.org/whl/cpu/torch_stable.html
+        pip install -e '.[dev]'
         pip install --requirement tests/requirements.txt --quiet
         python --version
         pip --version
diff --git a/README.md b/README.md
index 5b8d2e9..5b63999 100644
--- a/README.md
+++ b/README.md
@@ -176,12 +176,12 @@ python3 -m venv toxic-env
 source toxic-env/bin/activate
 
 # install project
-
 pip install -e detoxify
-cd detoxify
 
-# for training
-pip install -r requirements.txt
+# or for training
+pip install -e 'detoxify[dev]'
+
+cd detoxify
 
  ```
 
diff --git a/pyproject.toml b/pyproject.toml
index a3163f7..816e6e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,38 @@
-[build-system]
-requires = [
-    "setuptools",
-    "wheel",
+[project]
+name = "detoxify"
+version = "0.5.2"
+description = "A python library for detecting toxic comments"
+readme = "README.md"
+authors = [
+    {name = "Unitary", email = "laura@unitary.ai"},
+]
+classifiers = [
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+]
+requires-python = ">=3.9,<3.12"
+dependencies = [
+    "sentencepiece >= 0.1.94",
+    "torch < 2.2",
+    "transformers >= 3",
+]
+
+[tool.setuptools]
+packages = ["detoxify"]
+
+[project.urls]
+Homepage = "https://github.com/unitaryai/detoxify"
+
+[project.optional-dependencies]
+dev = [
+    "datasets >= 1.0.2",
+    "pandas >= 1.1.2",
+    "pytest",
+    "pytorch-lightning<2.0.0,>1.5.0",
+    "scikit-learn >= 0.23.2",
+    "tqdm",
+    "pre-commit",
 ]
 
 [tool.black]
@@ -16,3 +47,25 @@ known_first_party = [
 skip_glob = []
 profile = "black"
 line_length = 120
+
+[tool.pytest.ini_options]
+norecursedirs = [
+    ".git",
+    "dist",
+    "build",
+]
+addopts = [
+    "--strict-markers",
+    "--doctest-modules",
+    "--durations=0",
+    "--color=yes",
+]
+filterwarnings = [
+    "ignore:.*deprecated alias.*:DeprecationWarning:tensorboard.*tensorflow_stub*:",
+    "ignore:.*deprecated alias.*:DeprecationWarning:tensorboard.*tensor_util*:",
+    "ignore:.*deprecated alias.*:DeprecationWarning:pyarrow.*pandas_compat*:",
+]
+
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index ca40571..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-pytorch-lightning > 1.5.0, < 2.0.0
-torch >= 1.10.0
-transformers == 4.39.0
-kaggle >= 1.5.8
-pandas >= 1.1.2
-scikit-learn >= 0.23.2
-datasets >= 1.0.2
-tqdm >= 4.41.0
-sentencepiece >= 0.1.94
diff --git a/setup.cfg b/setup.cfg
index c4ab78a..f52c280 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,24 +1,3 @@
-[tool:pytest]
-norecursedirs =
-    .git
-    dist
-    build
-addopts =
-    --strict-markers
-    --doctest-modules
-    --durations=0
-    --color=yes
-# Silence numpy builtin type alias warnigns in third party libs
-# https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations
-filterwarnings = ignore:.*deprecated alias.*:DeprecationWarning:tensorboard.*tensorflow_stub*:
-                 ignore:.*deprecated alias.*:DeprecationWarning:tensorboard.*tensor_util*:
-                 ignore:.*deprecated alias.*:DeprecationWarning:pyarrow.*pandas_compat*:
-
-[coverage:report]
-exclude_lines =
-    pragma: no-cover
-    pass
-
 [flake8]
 max-line-length = 120
 exclude = .tox,*.egg,build,temp
@@ -41,16 +20,3 @@ ignore =
     F841,
     # Invalid escape sequence 'x'
     W605
-
-# setup.cfg or tox.ini
-[check-manifest]
-ignore =
-    *.yml
-    .github
-    .github/*
-
-[metadata]
-license_file = LICENSE
-description-file = README.md
-# long_description = file:README.md
-# long_description_content_type = text/markdown
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 157bbcc..0000000
--- a/setup.py
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/env python
-
-from setuptools import find_packages, setup
-
-with open("README.md") as fh:
-    long_description = fh.read()
-
-setup(
-    name="detoxify",
-    version="0.5.2",
-    description="A python library for detecting toxic comments",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    author="Unitary",
-    author_email="laura@unitary.ai",
-    url="https://github.com/unitaryai/detoxify",
-    install_requires=[
-        "transformers",
-        "torch >= 1.7.0",
-        "sentencepiece >= 0.1.94",
-    ],
-    packages=find_packages(include=["detoxify"], exclude=["tests", "src"]),
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: Apache Software License",
-        "Operating System :: OS Independent",
-    ],
-    python_requires=">=3.7",
-)