diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bb2be7d2..c75047b6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,9 +17,9 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-python@master
         with:
-          python-version: 3.13
-      - run: pip install -r requirements-build-3_13.txt
-      - run: python setup.py sdist
+          python-version: 3.14
+      - run: python -m pip install build
+      - run: python -m build --sdist
       - uses: actions/upload-artifact@v4
         with:
           name: dist-sdist
@@ -48,11 +48,12 @@ jobs:
       matrix:
         os: ${{ fromJson(needs.matrix_config.outputs.matrix_os) }}
         python:
-            - {minor: 10, req_build: 'requirements-build-3_11.txt', req_test: 'requirements-dev-3_11.txt', ft: '0'}
-            - {minor: 11, req_build: 'requirements-build-3_11.txt', req_test: 'requirements-dev-3_11.txt', ft: '0'}
-            - {minor: 12, req_build: 'requirements-build-3_12.txt', req_test: 'requirements-dev-3_12.txt', ft: '0'}
-            - {minor: 13, req_build: 'requirements-build-3_13.txt', req_test: 'requirements-dev-3_13.txt', ft: '0'}
-            - {minor: 13t, req_build: 'requirements-build-3_13.txt', req_test: 'requirements-dev-3_13.txt', ft: '1'}
+            - {minor: 10, req_test: 'requirements-dev-3_11.txt', ft: '0'}
+            - {minor: 11, req_test: 'requirements-dev-3_11.txt', ft: '0'}
+            - {minor: 12, req_test: 'requirements-dev-3_12.txt', ft: '0'}
+            - {minor: 13, req_test: 'requirements-dev-3_13.txt', ft: '0'}
+            - {minor: 14, req_test: 'requirements-dev-3_14.txt', ft: '0'}
+            - {minor: 14t, req_test: 'requirements-dev-3_14.txt', ft: '1'}
 
     runs-on: ${{ matrix.os }}
     outputs:
@@ -65,7 +66,7 @@ jobs:
       - run: echo '::add-matcher::.github/problem-matchers/msvc.json'
         if: startsWith(matrix.os, 'windows-')
 
-      - uses: pypa/cibuildwheel@v2.23.3
+      - uses: pypa/cibuildwheel@v3.2.0
         if: matrix.os != 'macos-13-xlarge'
         with:
           output-dir: dist
@@ -73,20 +74,18 @@ jobs:
           CIBW_BUILD: cp3${{ matrix.python.minor }}-*
           CIBW_ARCHS_WINDOWS: x86 AMD64
           CIBW_ARCHS_MACOS: x86_64
-          CIBW_BEFORE_BUILD: pip install -r {project}/${{ matrix.python.req_build }}
           CIBW_BEFORE_TEST: pip install -r {project}/${{ matrix.python.req_test }}
           CIBW_TEST_COMMAND: pytest {project}/test
           CIBW_ENABLE: ${{ matrix.python.ft == '1' && 'cpython-freethreading' || '' }}
 
       - run: pip install pipx
         if: matrix.os == 'macos-13-xlarge'
-      - uses: pypa/cibuildwheel@v2.23.3
+      - uses: pypa/cibuildwheel@v3.2.0
         if: matrix.os == 'macos-13-xlarge'
         with:
           output-dir: dist
         env:
           CIBW_BUILD: cp3${{ matrix.python.minor }}-macosx_arm64
-          CIBW_BEFORE_BUILD: pip install -r {project}/${{ matrix.python.req_build }}
           CIBW_BEFORE_TEST: pip install -r {project}/${{ matrix.python.req_test }}
           CIBW_TEST_COMMAND: pytest {project}/test
           CIBW_ENABLE: ${{ matrix.python.ft == '1' && 'cpython-freethreading' || '' }}
diff --git a/MANIFEST.in b/MANIFEST.in
index 84e9b5a2..cb6cad3a 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,3 @@
 include src/__init__.pyi src/py.typed
 include src/*.h
+include VERSION
diff --git a/VERSION b/VERSION
new file mode 100644
index 00000000..cb7e5f6f
--- /dev/null
+++ b/VERSION
@@ -0,0 +1,2 @@
+1.2.0
+
diff --git a/noxfile.py b/noxfile.py
new file mode 100644
index 00000000..193e6d8f
--- /dev/null
+++ b/noxfile.py
@@ -0,0 +1,93 @@
+import nox
+import sys
+
+ARTIFACTS = (
+    "*.egg-info",
+    ".hypothesis",
+    "build",
+    "dist",
+    "src/*.so",
+)
+
+# Make `nox` default to running tests if you just do `nox`
+nox.options.sessions = ["test"]
+
+
+def do_clean(session: nox.Session) -> None:
+    # uninstall arraykit
+    session.run(
+        sys.executable, "-m", "pip",
+        "--disable-pip-version-check", "uninstall", "--yes", "arraykit",
+        external=True
+    )
+    # remove artifacts
+    for artifact in sorted(ARTIFACTS):
+        session.run("rm", "-rf", artifact, external=True)
+
+def do_build(session: nox.Session) -> None:
+    # keep -v to see warnings; no build isolation to match your invoke cmd
+    session.run(
+        sys.executable, "-m", "pip",
+        "--disable-pip-version-check",
+        "install", "-v", "--no-build-isolation", ".",
+        external=True
+    )
+
+def do_test(session: nox.Session) -> None:
+    session.run(
+        "pytest",
+        "-s",
+        "--disable-pytest-warnings",
+        "--tb=native",
+        external=True,
+    )
+
+def do_performance(session: nox.Session) -> None:
+    """Run performance benchmarks."""
+    args = [sys.executable, "-m", "performance"]
+
+    if session.posargs:
+        args.extend(["--names"] + session.posargs)
+
+    session.run(*args, external=True)
+
+def do_lint(session: nox.Session) -> None:
+    session.run(
+        "pylint",
+        "-f", "colorized",
+        "*.py", "performance", "src", "test",
+        external=True,
+    )
+
+
+# NOTE: use `nox -s build` to launch a session
+
+@nox.session(python=False)  # use current environment
+def clean(session):
+    """Clean build artifacts and uninstall arraykit."""
+    do_clean(session)
+
+@nox.session(python=False)
+def build(session):
+    """Clean then build/install locally (like invoke: build depends on clean)."""
+    do_clean(session)
+    do_build(session)
+
+@nox.session(python=False)
+def test(session):
+    """Build then run pytest (like invoke: test depends on build)."""
+    do_clean(session)
+    do_build(session)
+    do_test(session)
+
+@nox.session(python=False)
+def performance(session):
+    """Build then run performance benches (like invoke: performance depends on build)."""
+    do_clean(session)
+    do_build(session)
+    do_performance(session)
+
+@nox.session(python=False)
+def lint(session):
+    """Run pylint static analysis."""
+    do_lint(session)
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..21222e84
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,56 @@
+[build-system]
+requires = [
+  "setuptools>=64",
+  "wheel",
+  "numpy>=2.2"
+]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "arraykit"
+description = "Array utilities for StaticFrame"
+readme = { file = "README.rst", content-type = "text/x-rst" }
+requires-python = ">=3.10"
+
+dynamic = ["version"]
+
+authors = [
+  { name = "Christopher Ariza" },
+  { name = "Brandt Bucher" },
+  { name = "Charles Burkland" },
+]
+license = "MIT"
+keywords = ["numpy", "array"]
+dependencies = [
+  "numpy>=1.24.3",
+]
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Intended Audience :: Developers",
+  "Topic :: Software Development",
+  "Programming Language :: C",
+  "Programming Language :: Python :: Implementation :: CPython",
+  "Operating System :: MacOS :: MacOS X",
+  "Operating System :: Microsoft :: Windows",
+  "Operating System :: POSIX",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: Free Threading",
+  "Typing :: Typed",
+]
+
+[project.urls]
+Homepage = "https://github.com/static-frame/arraykit"
+
+[tool.setuptools]
+package-dir = { "arraykit" = "src" }
+
+[tool.setuptools.package-data]
+arraykit = ["__init__.pyi", "py.typed"]
+
+[tool.setuptools.dynamic]
+version = { file = "VERSION" }
+
diff --git a/requirements-build-3_11.txt b/requirements-build-3_11.txt
deleted file mode 100644
index 86438d81..00000000
--- a/requirements-build-3_11.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-numpy==2.0.2
-
diff --git a/requirements-build-3_12.txt b/requirements-build-3_12.txt
deleted file mode 100644
index fe9ad60c..00000000
--- a/requirements-build-3_12.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-numpy==2.2.6
-setuptools==80.*
diff --git a/requirements-build-3_13.txt b/requirements-build-3_13.txt
deleted file mode 100644
index 467a95b6..00000000
--- a/requirements-build-3_13.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-numpy==2.3.1
-setuptools==80.*
diff --git a/requirements-dev-3_11.txt b/requirements-dev-3_11.txt
index d34c9454..20e83c99 100644
--- a/requirements-dev-3_11.txt
+++ b/requirements-dev-3_11.txt
@@ -1,4 +1,4 @@
 numpy==2.0.2
 pytest==7.1.2
-invoke==2.2.0
+nox==2025.5.1
 hypothesis==6.10.1
diff --git a/requirements-dev-3_12.txt b/requirements-dev-3_12.txt
index e692ee9a..9c8e590d 100644
--- a/requirements-dev-3_12.txt
+++ b/requirements-dev-3_12.txt
@@ -1,4 +1,4 @@
 numpy==2.2.6
 pytest==7.1.2
-invoke==2.2.0
+nox==2025.5.1
 hypothesis==6.10.1
diff --git a/requirements-dev-3_13.txt b/requirements-dev-3_13.txt
index e029979c..11ec293f 100644
--- a/requirements-dev-3_13.txt
+++ b/requirements-dev-3_13.txt
@@ -1,4 +1,4 @@
 numpy==2.3.1
 pytest==8.3.3
-invoke==2.2.0
+nox==2025.5.1
 hypothesis==6.131.16
diff --git a/requirements-dev-3_14.txt b/requirements-dev-3_14.txt
new file mode 100644
index 00000000..542eb9a2
--- /dev/null
+++ b/requirements-dev-3_14.txt
@@ -0,0 +1,4 @@
+numpy==2.3.3
+pytest==8.3.3
+nox==2025.5.1
+hypothesis==6.131.16
diff --git a/setup.py b/setup.py
index 103a1658..20e4da61 100644
--- a/setup.py
+++ b/setup.py
@@ -1,35 +1,9 @@
-import site
-import os
-from os import path
-import typing as tp
-from setuptools import Extension  # type: ignore
-from setuptools import setup
+from setuptools import setup, Extension
+from setuptools.command.build_ext import build_ext
+import site, os
+from pathlib import Path
 
-AK_VERSION = '1.1.0'
-
-ROOT_DIR_FP = path.abspath(path.dirname(__file__))
-
-def get_long_description() -> str:
-    with open(path.join(ROOT_DIR_FP, 'README.rst'), encoding='utf-8') as f:
-        msg = []
-        collect = False
-        start = -1
-        for i, line in enumerate(f):
-            if line.startswith('arraykit'):
-                start = i + 2 # skip this line and the next
-            if i == start:
-                collect = True
-            if collect:
-                msg.append(line)
-    return ''.join(msg).strip()
-
-
-# NOTE: we do this to avoid importing numpy: https://stackoverflow.com/questions/54117786/add-numpy-get-include-argument-to-setuptools-without-preinstalled-numpy
-# we used to import the following to get directories:
-# from numpy.distutils.misc_util import get_info
-# import numpy as np  # type: ignore
-# get_info('npymath')['library_dirs']
-# get_info('npymath')['libraries']
+AK_VERSION = Path("VERSION").read_text(encoding="utf-8").strip()
 
 def get_ext_dir(*components: tp.Iterable[str]) -> tp.Sequence[str]:
     dirs = []
@@ -39,57 +13,26 @@ def get_ext_dir(*components: tp.Iterable[str]) -> tp.Sequence[str]:
             dirs.append(fp)
     return dirs
 
-ak_extension = Extension(
-        name='arraykit._arraykit', # build into module
+ext_modules = [
+    Extension(
+        name="arraykit._arraykit",
         sources=[
-            'src/_arraykit.c',
-            'src/array_go.c',
-            'src/array_to_tuple.c',
-            'src/block_index.c',
-            'src/delimited_to_arrays.c',
-            'src/methods.c',
-            'src/tri_map.c',
-            'src/auto_map.c',
+            "src/_arraykit.c",
+            "src/array_go.c",
+            "src/array_to_tuple.c",
+            "src/block_index.c",
+            "src/delimited_to_arrays.c",
+            "src/methods.c",
+            "src/tri_map.c",
+            "src/auto_map.c",
         ],
+
         include_dirs=get_ext_dir('numpy', '_core', 'include') + ['src'],
         library_dirs=get_ext_dir('numpy', '_core', 'lib'),
         define_macros=[("AK_VERSION", AK_VERSION)],
-        libraries=['npymath'], # not including mlib at this time
-        )
+        libraries=["npymath"],
+    )
+]
+
+setup(ext_modules=ext_modules)
 
-setup(
-    name='arraykit',
-    version=AK_VERSION,
-    description='Array utilities for StaticFrame',
-    long_description=get_long_description(),
-    long_description_content_type='text/x-rst', # use text/x-rst
-    python_requires='>=3.10',
-    install_requires=['numpy>=1.24.3'],
-    url='https://github.com/static-frame/arraykit',
-    author='Christopher Ariza, Brandt Bucher, Charles Burkland',
-    license='MIT',
-    # See https://pypi.python.org/pypi?%3Aaction=list_classifiers
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'Topic :: Software Development',
-        "Programming Language :: C",
-        "Programming Language :: Python :: Implementation :: CPython",
-        'License :: OSI Approved :: MIT License',
-        'Operating System :: MacOS :: MacOS X',
-        'Operating System :: Microsoft :: Windows',
-        'Operating System :: POSIX',
-        'Programming Language :: Python :: 3.10',
-        'Programming Language :: Python :: 3.11',
-        'Programming Language :: Python :: 3.12',
-        'Programming Language :: Python :: 3.13',
-        'Programming Language :: Python :: Free Threading',
-        'Typing :: Typed',
-    ],
-    keywords='numpy array',
-    packages=['arraykit'],
-    package_dir={'arraykit': 'src'},
-    package_data={'arraykit': ['__init__.pyi', 'py.typed']},
-    include_package_data=True,
-    ext_modules=[ak_extension],
-)
diff --git a/tasks.py b/tasks.py
deleted file mode 100644
index 6b95cc69..00000000
--- a/tasks.py
+++ /dev/null
@@ -1,49 +0,0 @@
-import sys
-
-import invoke
-
-ARTIFACTS = (
-    '*.egg-info',
-    '.hypothesis',
-    'build',
-    'dist',
-    'src/*.so'
-)
-
-
-@invoke.task
-def clean(context):
-    '''Clean doc and build artifacts
-    '''
-    cmd = f'{sys.executable} -m pip --disable-pip-version-check uninstall --yes arraykit'
-    context.run(cmd, echo=True, pty=True)
-
-    for artifact in sorted(ARTIFACTS):
-        context.run(f'rm -rf {artifact}', echo=True, pty=True)
-
-
-@invoke.task(clean)
-def build(context):
-    # context.run('pip install -r requirements-test.txt', echo=True, pty=True)
-    # keep verbose to see warnings
-    context.run(f'{sys.executable} -m pip --disable-pip-version-check -v install --no-build-isolation .', echo=True, pty=True)
-
-
-@invoke.task(build)
-def test(context):
-    cmd = 'pytest -s --disable-pytest-warnings --tb=native'
-    context.run(cmd, echo=True, pty=True)
-
-
-@invoke.task(build)
-def performance(context, names=''):
-    context.run(f'{sys.executable} -m performance {"--names" if names else ""} {names}', echo=True, pty=True)
-
-
-@invoke.task
-def lint(context):
-    '''Run pylint static analysis.
-    '''
-    cmd = 'pylint -f colorized *.py performance src test'
-    context.run(cmd, echo=True, pty=True)
-
diff --git a/test/test_pyi.py b/test/test_pyi.py
index 86fc76a8..8f2bcd31 100644
--- a/test/test_pyi.py
+++ b/test/test_pyi.py
@@ -14,6 +14,8 @@ class Interface(tp.NamedTuple):
 
     @staticmethod
     def _valid_name(name: str) -> bool:
+        if name in ('__annotate__', '__class__', '__annotate_func__'):
+            return False
         if name.startswith('__'):
             return True
         if name.startswith('_'):