diff --git a/.flake8 b/.flake8
index 043e7a0..c2399d7 100644
--- a/.flake8
+++ b/.flake8
@@ -1,5 +1,7 @@
 [flake8]
-ignore = E,W503  # Let Black handle all the formatting.
+ignore =
+  # Let Black handle all the formatting.
+  E,W503
 exclude =
   tests/snapshots,
   .svn,CVS,.bzr,.hg,.git,__pycache__,.tox,.eggs,*.egg
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..70b9b86
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,62 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - "v*.*.*"
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools tox
+
+      - name: Run tox
+        run: tox
+
+  deploy:
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install build setuptools twine wheel
+
+      - name: Build package
+        run: |
+          python -m build
+
+      - name: Publish package to PyPI
+        env:
+          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+        run: |
+          python -m twine upload dist/*
diff --git a/.travis.yml b/.travis.yml
index 3278434..8178672 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ jobs:
     - { python: "3.12", env: "TOXENV=py312" }
     - { python: "3.11", env: "TOXENV=py311" }
     - { python: "3.10", env: "TOXENV=py310" }
-    - { python: "3.9", env: "TOXENV=py39" }
 
     - stage: Release
       if: tag IS present
diff --git a/fourmat/__init__.py b/fourmat/__init__.py
index fc16b68..8f544f0 100644
--- a/fourmat/__init__.py
+++ b/fourmat/__init__.py
@@ -1,13 +1,14 @@
+from importlib.metadata import PackageNotFoundError, version
 from pathlib import Path
 
 import click
-from pkg_resources import DistributionNotFound, get_distribution
 
 # -----------------------------------------------------------------------------
 
+
 try:
-    __version__ = get_distribution(__name__).version
-except DistributionNotFound:
+    __version__ = version(__name__)
+except PackageNotFoundError:
     # package is not installed
     pass
 
diff --git a/fourmat/assets/pyproject.toml b/fourmat/assets/pyproject.toml
index 7e035cc..3ac094e 100644
--- a/fourmat/assets/pyproject.toml
+++ b/fourmat/assets/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 79
-target-version = ['py36', 'py37', 'py38', 'py39', 'py310']
+target-version = ['py310', 'py311', 'py312']
 
 [tool.isort]
 profile = "black"
diff --git a/fourmat/lint.py b/fourmat/lint.py
index ceaaf25..d385ccb 100644
--- a/fourmat/lint.py
+++ b/fourmat/lint.py
@@ -16,6 +16,7 @@
 
 CONFIGURATION_FILES = (".flake8", "pyproject.toml")
 
+
 # -----------------------------------------------------------------------------
 class PathContext:
     def __init__(self, path):
diff --git a/pyproject.toml b/pyproject.toml
index e3b5e4b..3ac094e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 79
-target-version = ['py39', 'py310', 'py311', 'py312']
+target-version = ['py310', 'py311', 'py312']
 
 [tool.isort]
 profile = "black"
diff --git a/setup.py b/setup.py
index c89f222..6e5a417 100644
--- a/setup.py
+++ b/setup.py
@@ -2,19 +2,18 @@
 
 setup(
     name="fourmat",
-    version="1.0.0",
+    version="2.0.0",
     description="A library for batteries-included linting and autoformatting",
     url="https://github.com/4Catalyzer/fourmat",
     author="Giacomo Tagliabue",
     author_email="giacomo@gmail.com",
     license="MIT",
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     classifiers=[
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
@@ -22,13 +21,14 @@
     ],
     keywords="lint autoformat black flake8 isort",
     packages=find_packages(),
-    package_data={"fourmat": ("assets/*.*", "assets/.*")},
+    package_data={"fourmat": ["assets/*.*", "assets/.*"]},
     install_requires=(
         "click>=8",
-        "black==24.3.0",
+        "black==25.1.0",
         "flake8-bugbear>=24,<25",
         "flake8>=7,<8",
-        "isort>=5,<6",
+        "isort>=6,<7",
+        "setuptools>=80",
     ),
     entry_points={"console_scripts": ("fourmat = fourmat:cli",)},
 )
diff --git a/tox.ini b/tox.ini
index cf49258..224df19 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{36,37,38,39,310}
+envlist = py{310,311,312}
 
 [testenv]
 usedevelop = True