diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 210bd5b..8c8e6f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,15 +16,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
-        run:  pip install .[tests]
-      - name: Run unit tests
-        run:  pytest -vv
+      - uses: astral-sh/setup-uv@v3
+      - run: uv run --all-extras -p ${{ matrix.python-version }} pytest -vv
diff --git a/.gitignore b/.gitignore
index a4124c6..23724a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -100,3 +100,6 @@ ENV/
 
 # mypy
 .mypy_cache/
+
+# uv
+uv.lock
diff --git a/README.md b/README.md
index 3916a9b..1d126d4 100644
--- a/README.md
+++ b/README.md
@@ -35,12 +35,6 @@ If you want to try it out on your own, run:
 pip install shell-functools
 ```
 
-If you only want to try it out temporarily, you can also use:
-``` bash
-git clone https://github.com/sharkdp/shell-functools /tmp/shell-functools
-export PATH="$PATH:/tmp/shell-functools/ft"
-```
-
 ## Documentation and examples
 
 ### Usage of `map`
diff --git a/ft/filter b/ft/filter
deleted file mode 100755
index 49ac9a1..0000000
--- a/ft/filter
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/usr/bin/env python3
-
-from ft.commands.filter import Filter
-
-
-Filter().run()
diff --git a/ft/foldl b/ft/foldl
deleted file mode 100755
index 2f65a08..0000000
--- a/ft/foldl
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/usr/bin/env python3
-
-from ft.commands.foldl import Foldl
-
-
-Foldl().run()
diff --git a/ft/foldl1 b/ft/foldl1
deleted file mode 100755
index 8c361b8..0000000
--- a/ft/foldl1
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/usr/bin/env python3
-
-from ft.commands.foldl1 import Foldl1
-
-
-Foldl1().run()
diff --git a/ft/ft-functions b/ft/ft-functions
deleted file mode 100755
index c3de893..0000000
--- a/ft/ft-functions
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/usr/bin/env python3
-
-from ft.types import T_VOID
-from ft.functions import function_list
-from ft.termcolor import colored
-
-type_color = {
-    "String": "yellow",
-    "Path": "cyan",
-    "Int": "blue",
-    "Bool": "magenta",
-    "Array": "red",
-    "*": "white",
-    "!": "red"
-}
-
-
-def with_color(typename):
-    if typename in type_color:
-        return colored(typename, type_color[typename])
-
-    return typename
-
-
-for name, fn in sorted(function_list.items()):
-    type_in = fn.type_in
-    type_out = fn.type_out
-
-    if type_in is None:
-        type_in = with_color("*")
-    else:
-        type_in = with_color(str(type_in))
-
-    if type_out is None:
-        type_out = with_color("*")
-    elif type_out == "returned":
-        type_out = with_color("*")
-    elif type_out == T_VOID:
-        type_out = with_color("!")
-    else:
-        type_out = with_color(str(type_out))
-
-    arg_names = fn.inner_argspec.args[:-1]
-
-    name_and_args = colored(name, "green")
-
-    if len(arg_names) > 0:
-        name_and_args += " " + " ".join(arg_names)
-
-    print("{name_and_args:<28} :: {type_in:<15} → {type_out}".format(
-        name_and_args=name_and_args,
-        type_in=type_in,
-        type_out=type_out))
diff --git a/ft/ft/command.py b/ft/ft/command.py
index 3c7d3d8..23df260 100644
--- a/ft/ft/command.py
+++ b/ft/ft/command.py
@@ -1,6 +1,6 @@
 import sys
 import argparse
-from signal import signal, SIGPIPE, SIG_DFL
+import signal
 
 from functools import partial
 
@@ -22,7 +22,8 @@ def __init__(self, name):
     @staticmethod
     def configure_broken_pipe():
         # Use the default behavior (exit quietly) when catching SIGPIPE
-        signal(SIGPIPE, SIG_DFL)
+        if hasattr(signal, 'SIGPIPE'):
+            signal.signal(signal.SIGPIPE, signal.SIG_DFL)
 
     def get_argument_parser(self):
         parser = argparse.ArgumentParser(description=self.name)
diff --git a/ft/ft/commands/ft_functions.py b/ft/ft/commands/ft_functions.py
new file mode 100644
index 0000000..779ad11
--- /dev/null
+++ b/ft/ft/commands/ft_functions.py
@@ -0,0 +1,56 @@
+from ft.types import T_VOID
+from ft.functions import function_list
+from ft.termcolor import colored
+
+type_color = {
+    "String": "yellow",
+    "Path": "cyan",
+    "Int": "blue",
+    "Bool": "magenta",
+    "Array": "red",
+    "*": "white",
+    "!": "red"
+}
+
+
+def with_color(typename):
+    if typename in type_color:
+        return colored(typename, type_color[typename])
+
+    return typename
+
+
+def main():
+    for name, fn in sorted(function_list.items()):
+        type_in = fn.type_in
+        type_out = fn.type_out
+
+        if type_in is None:
+            type_in = with_color("*")
+        else:
+            type_in = with_color(str(type_in))
+
+        if type_out is None:
+            type_out = with_color("*")
+        elif type_out == "returned":
+            type_out = with_color("*")
+        elif type_out == T_VOID:
+            type_out = with_color("!")
+        else:
+            type_out = with_color(str(type_out))
+
+        arg_names = fn.inner_argspec.args[:-1]
+
+        name_and_args = colored(name, "green")
+
+        if len(arg_names) > 0:
+            name_and_args += " " + " ".join(arg_names)
+
+        print("{name_and_args:<28} :: {type_in:<15} → {type_out}".format(
+            name_and_args=name_and_args,
+            type_in=type_in,
+            type_out=type_out))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/ft/ft/version.py b/ft/ft/version.py
deleted file mode 100644
index 493f741..0000000
--- a/ft/ft/version.py
+++ /dev/null
@@ -1 +0,0 @@
-__version__ = "0.3.0"
diff --git a/ft/map b/ft/map
deleted file mode 100755
index 9270f12..0000000
--- a/ft/map
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/usr/bin/env python3
-
-from ft.commands.map import Map
-
-
-Map().run()
diff --git a/ft/sort_by b/ft/sort_by
deleted file mode 100755
index 8790dbb..0000000
--- a/ft/sort_by
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env python3
-
-from ft.commands.sort_by import SortBy
-
-SortBy().run()
diff --git a/ft/take_while b/ft/take_while
deleted file mode 100755
index caae320..0000000
--- a/ft/take_while
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/usr/bin/env python3
-
-from ft.commands.take_while import TakeWhile
-
-
-TakeWhile().run()
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..032c312
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,43 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "shell-functools"
+version = "0.3.1"
+description = "A collection of functional programming tools for the shell."
+authors = [{ name = "David Peter", email = "mail@david-peter.de" }]
+urls = { Home = "https://github.com/sharkdp/shell-functools" }
+keywords = ["shell", "functional-programming", "filesystem", "string-manipulation", "command-line"]
+classifiers=[
+    "Development Status :: 4 - Beta",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+]
+readme = { file = "README.md", content-type = "text/markdown" }
+license = "MIT"
+requires-python = ">=3.9"
+
+[project.optional-dependencies]
+tests = [
+    "pytest",
+]
+
+[project.scripts]
+filter = "ft.commands.filter:Filter.main"
+foldl = "ft.commands.foldl:Foldl.main"
+foldl1 = "ft.commands.foldl1:Foldl1.main"
+ft-functions = "ft.commands.ft_functions:main"
+map = "ft.commands.map:Map.main"
+sort_by = "ft.commands.sort_by:SortBy.main"
+take_while = "ft.commands.take_while:TakeWhile.main"
+
+[tool.hatch.build.targets.wheel]
+packages = ["ft/ft"]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 82b6dcb..0000000
--- a/setup.py
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/env python
-from __future__ import absolute_import, print_function
-import os
-
-from setuptools import setup, find_packages
-
-NAME = "shell-functools"
-
-exec(open("ft/ft/version.py").read())
-
-VERSION = __version__
-PACKAGES = find_packages("ft", exclude=["*.tests", "*.tests.*", "tests.*", "tests"])
-PACKAGE_DIR = {"": "ft"}
-PACKAGE_DATA = {"": [""]}
-AUTHOR = "David Peter"
-AUTHOR_EMAIL = "mail@david-peter.de"
-URL = "https://github.com/sharkdp/shell-functools"
-
-
-REQUIRES = []
-if os.path.exists("requirements.txt"):
-    with open("requirements.txt", "r") as ifile:
-        for line in ifile:
-            REQUIRES.append(line.strip())
-DESCRIPTION = "A collection of functional programming tools for the shell."
-KEYWORDS = "shell functional-programming filesystem string-manipulation command-line"
-with open("README.md") as ifile:
-    LONG_DESC = ifile.read()
-
-setup(
-    name=NAME,
-    version=VERSION,
-    author=AUTHOR,
-    author_email=AUTHOR_EMAIL,
-    description=DESCRIPTION,
-    long_description=LONG_DESC,
-    long_description_content_type="text/markdown",
-    url=URL,
-    keywords=KEYWORDS,
-    license="MIT",
-    packages=PACKAGES,
-    package_dir=PACKAGE_DIR,
-    package_data=PACKAGE_DATA,
-    include_package_data=True,
-    install_requires=REQUIRES,
-    python_requires=">=3.5",
-    extras_require={
-        'tests': ['pytest'],
-    },
-    scripts=[
-        "ft/filter",
-        "ft/foldl",
-        "ft/foldl1",
-        "ft/ft-functions",
-        "ft/map",
-        "ft/sort_by",
-        "ft/take_while",
-    ],
-    classifiers=[
-        "Programming Language :: Python :: 3.5",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python",
-        "Development Status :: 4 - Beta",
-    ],
-)