diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1d38756..e4dc28d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,11 +3,6 @@
 # https://github.com/actions
 # https://cibuildwheel.readthedocs.io/en/stable/options/
 #
-# uses: https://github.com/actions/checkout @v4
-# uses: https://github.com/actions/setup-python @v4
-# uses: https://github.com/actions/download-artifact @v3
-# uses: https://github.com/actions/upload-artifact @v3
-# uses: https://github.com/pypa/cibuildwheel @v2.16
 
 name: CI
 
@@ -23,13 +18,13 @@ jobs:
     strategy:
       matrix:
         test:
-          - {PY: "3.10", TOXENV: "lint"}
+          - {PY: "3.14", TOXENV: "lint"}
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: "Setup Python ${{matrix.test.PY}}"
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v6
         with:
           python-version: ${{matrix.test.PY}}
 
@@ -46,29 +41,20 @@ jobs:
     strategy:
       matrix:
         test:
-          - {os: "ubuntu-latest", osname: "Linux", PY: "3.7", TOXENV: "py37", arch: "x64"}
-          - {os: "ubuntu-latest", osname: "Linux", PY: "3.8", TOXENV: "py38", arch: "x64"}
-          - {os: "ubuntu-latest", osname: "Linux", PY: "3.9", TOXENV: "py39", arch: "x64"}
           - {os: "ubuntu-latest", osname: "Linux", PY: "3.10", TOXENV: "py310", arch: "x64"}
-          - {os: "ubuntu-latest", osname: "Linux", PY: "3.11", TOXENV: "py311", arch: "x64"}
-          - {os: "ubuntu-latest", osname: "Linux", PY: "3.12", TOXENV: "py312", arch: "x64"}
-          - {os: "macos-latest", osname: "MacOS", PY: "3.10", TOXENV: "py310", arch: "x64"}
-          - {os: "macos-latest", osname: "MacOS", PY: "3.11", TOXENV: "py311", arch: "x64"}
-          #- {os: "macos-latest", osname: "MacOS", PY: "3.12", TOXENV: "py312", arch: "x64"}
-          - {os: "windows-latest", osname: "Windows", PY: "3.7", TOXENV: "py37", arch: "x86"}
-          - {os: "windows-latest", osname: "Windows", PY: "3.8", TOXENV: "py38", arch: "x64"}
-          - {os: "windows-latest", osname: "Windows", PY: "3.10", TOXENV: "py310", arch: "x86"}
-          - {os: "windows-latest", osname: "Windows", PY: "3.11", TOXENV: "py311", arch: "x64"}
-          #- {os: "windows-latest", osname: "Windows", PY: "3.12", TOXENV: "py312", arch: "x64"}
-          - {os: "ubuntu-latest", osname: "Linux", PY: "pypy3.8", TOXENV: "pypy38", arch: "x64"}
-          - {os: "ubuntu-latest", osname: "Linux", PY: "pypy3.9", TOXENV: "pypy39", arch: "x64"}
-          - {os: "ubuntu-latest", osname: "Linux", PY: "pypy3.10", TOXENV: "pypy310", arch: "x64"}
+          - {os: "ubuntu-latest", osname: "Linux", PY: "3.13", TOXENV: "py313", arch: "x64"}
+          - {os: "ubuntu-latest", osname: "Linux", PY: "3.14", TOXENV: "py314", arch: "x64"}
+          - {os: "macos-latest", osname: "MacOS", PY: "3.12", TOXENV: "py312", arch: "x64"}
+          - {os: "macos-latest", osname: "MacOS", PY: "3.14", TOXENV: "py314", arch: "arm64"}
+          - {os: "windows-latest", osname: "Windows", PY: "3.13", TOXENV: "py313", arch: "x64"}
+          - {os: "windows-latest", osname: "Windows", PY: "3.14", TOXENV: "py314", arch: "x64"}
+          - {os: "ubuntu-latest", osname: "Linux", PY: "pypy3.11", TOXENV: "pypy311", arch: "x64"}
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: "Setup Python ${{matrix.test.PY}}"
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v6
         with:
           python-version: ${{matrix.test.PY}}
           architecture: ${{matrix.test.arch}}
@@ -90,19 +76,16 @@ jobs:
     strategy:
       matrix:
         test:
-          - {PY: "3.7", PG: "11", TOXENV: "py37"}
-          - {PY: "3.8", PG: "12", TOXENV: "py38"}
-          - {PY: "3.9", PG: "13", TOXENV: "py39"}
-          - {PY: "3.10", PG: "14", TOXENV: "py310"}
-          - {PY: "3.11", PG: "15", TOXENV: "py311"}
+          - {PY: "3.10", PG: "16", TOXENV: "py310"}
+          - {PY: "3.14", PG: "18", TOXENV: "py314"}
           #- {PY: "pypy3.9", PG: "15", TOXENV: "pypy39"}
           #- {PY: "pypy3.10", PG: "15", TOXENV: "pypy310"}
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: "Setup Python ${{matrix.test.PY}}"
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v6
         with:
           python-version: ${{matrix.test.PY}}
 
@@ -163,26 +146,24 @@ jobs:
       matrix:
         sys:
           - {os: "ubuntu-latest", name: "Linux", archs: "auto", qemu: false}
-          - {os: "ubuntu-latest", name: "Linux", archs: "aarch64", qemu: true}
-          - {os: "macos-latest", name: "MacOS", archs: "x86_64 arm64 universal2", qemu: false}
+          - {os: "ubuntu-24.04-arm", name: "Linux", archs: "aarch64", qemu: false}
+          - {os: "macos-15-intel", name: "MacOS", archs: "x86_64 universal2", qemu: false}
+          - {os: "macos-latest", name: "MacOS", archs: "auto", qemu: false}
           - {os: "windows-latest", name: "Windows", archs: "auto", qemu: false}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: "Set up QEMU"
         if: ${{matrix.sys.qemu}}
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v4
         with:
           platforms: all
-      - uses: pypa/cibuildwheel@v2.16
+      - uses: pypa/cibuildwheel@v3.4.1
         env:
           CIBW_ARCHS: "${{matrix.sys.archs}}"
-          # cp38: cp37-macos does not support universal2/arm64
-          CIBW_BUILD: "cp38-* pp*-manylinux_x86_64"
-          CIBW_SKIP: "pp37-*"
       - name: "Check"
         shell: bash
         run: |
           ls -l wheelhouse
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v7
         with: {name: "dist", path: "wheelhouse"}
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3de1bea..1075d2c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,12 +13,12 @@ jobs:
     name: "Build source package"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
         with: {python-version: "3.11"}
       - run: python3 -m pip install -r etc/requirements.build.txt --disable-pip-version-check
       - run: python3 setup.py sdist
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v7
         with: {name: "dist", path: "dist"}
 
   cibuildwheel:
@@ -32,13 +32,13 @@ jobs:
           - {os: "macos-latest", name: "MacOS", archs: "x86_64 arm64 universal2", qemu: false}
           - {os: "windows-latest", name: "Windows", archs: "auto", qemu: false}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: "Set up QEMU"
         if: ${{matrix.sys.qemu}}
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v4
         with:
           platforms: all
-      - uses: pypa/cibuildwheel@v2.16
+      - uses: pypa/cibuildwheel@v3
         env:
           CIBW_ARCHS: "${{matrix.sys.archs}}"
           # cp38: cp37-macos does not support universal2/arm64
@@ -48,7 +48,7 @@ jobs:
         shell: bash
         run: |
           ls -l wheelhouse
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v7
         with: {name: "dist", path: "wheelhouse"}
 
   publish:
@@ -56,14 +56,14 @@ jobs:
     runs-on: ubuntu-latest
     needs: [sdist, cibuildwheel]
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
         with: {python-version: "3.11"}
 
       - run: python3 -m pip install -r etc/requirements.build.txt --disable-pip-version-check
 
       - name: "Get files"
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v8
         with: {name: "dist", path: "dist"}
 
       - name: "Install pandoc"
diff --git a/etc/requirements.build.txt b/etc/requirements.build.txt
index ff9e40b..c2a95ec 100644
--- a/etc/requirements.build.txt
+++ b/etc/requirements.build.txt
@@ -1,4 +1,3 @@
-setuptools>=67
-wheel>=0.41
-twine==4.0.2
+setuptools>=82
+twine==6.2.0
 tox==4.8.0
diff --git a/pyproject.toml b/pyproject.toml
index 8f90a01..e6142da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,11 +6,11 @@ keywords = ["database"]
 dynamic = ["version"]
 requires-python = ">= 3.7"
 maintainers = [{name = "Marko Kreen", email = "markokr@gmail.com"}]
+license = "ISC"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: ISC License (ISCL)",
     "Operating System :: MacOS :: MacOS X",
     "Operating System :: Microsoft :: Windows",
     "Operating System :: POSIX",
@@ -31,7 +31,7 @@ repository = "https://github.com/pgq/python-skytools"
 changelog = "https://github.com/pgq/python-skytools/blob/master/NEWS.rst"
 
 [build-system]
-requires = ["setuptools", "wheel"]
+requires = ["setuptools>=78"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools]
@@ -130,6 +130,10 @@ ignore_missing_imports = true
 module = ["skytools.basetypes"]
 warn_unused_ignores = false
 
+[[tool.mypy.overrides]]
+module = ["pkg_resources"]
+warn_unused_ignores = false
+
 [tool.ruff]
 line-length = 120
 select = ["E", "F", "Q", "W", "UP", "YTT", "ANN"]
@@ -249,7 +253,7 @@ py-version = "3.10"
 
 # When enabled, pylint would attempt to guess common misconfiguration and emit
 # user-friendly hints instead of false-positive error messages.
-suggestion-mode = true
+#suggestion-mode = true
 
 # Allow loading of arbitrary C extensions. Extensions are imported into the
 # active Python interpreter and may run arbitrary code.
@@ -540,6 +544,8 @@ disable = [
     "try-except-raise", "deprecated-module", "no-else-break", "no-else-continue",
     # junk
     "trailing-newlines", "consider-using-f-string",
+    "too-many-positional-arguments",
+    "catching-non-exception",
     # expected
     "cyclic-import",
     # issues
diff --git a/setup.py b/setup.py
index 4cb4ffc..f1fac7a 100644
--- a/setup.py
+++ b/setup.py
@@ -4,28 +4,38 @@
 from typing import Tuple
 from setuptools import Extension, setup
 
+import sysconfig
+
 try:
-    from wheel.bdist_wheel import bdist_wheel
+    from setuptools.command.bdist_wheel import bdist_wheel
+
     class bdist_wheel_abi3(bdist_wheel):
         def get_tag(self) -> Tuple[str, str, str]:
             python, abi, plat = super().get_tag()
-            if python.startswith("cp"):
+            if python.startswith("cp") and LIMITED_API:
                 return CP_VER, "abi3", plat
             return python, abi, plat
+
     cmdclass = {"bdist_wheel": bdist_wheel_abi3}
 except ImportError:
     cmdclass = {}
 
-CP_VER = "cp37"
-API_VER = ('Py_LIMITED_API', '0x03070000')
+if sysconfig.get_config_var("Py_GIL_DISABLED"):
+    CP_VER = 'unused'
+    MACROS = []
+    LIMITED_API = False
+else:
+    CP_VER = "cp37"
+    MACROS = [('Py_LIMITED_API', '0x03070000')]
+    LIMITED_API = True
 
 setup(
     cmdclass = cmdclass,
     ext_modules = [
         Extension("skytools._cquoting", ["modules/cquoting.c"],
-                  define_macros=[API_VER], py_limited_api=True),
+                  define_macros=MACROS, py_limited_api=LIMITED_API),
         Extension("skytools._chashtext", ["modules/hashtext.c"],
-                  define_macros=[API_VER], py_limited_api=True),
+                  define_macros=MACROS, py_limited_api=LIMITED_API),
     ]
 )
 
diff --git a/skytools/apipkg.py b/skytools/apipkg.py
index 978bde2..9acda72 100644
--- a/skytools/apipkg.py
+++ b/skytools/apipkg.py
@@ -31,7 +31,7 @@ def _py_abspath(path):
 def distribution_version(name):
     """try to get the version of the named distribution,
     returs None on failure"""
-    from pkg_resources import DistributionNotFound, get_distribution
+    from pkg_resources import DistributionNotFound, get_distribution # type: ignore
     try:
         dist = get_distribution(name)
     except DistributionNotFound:
@@ -96,7 +96,7 @@ def __docget(self):
 
     def __docset(self, value):
         self.__doc = value
-    __doc__ = property(__docget, __docset)  # type: ignore
+    __doc__ = property(__docget, __docset)
 
     def __init__(self, name, importspec, implprefix=None, attr=None):
         super().__init__(name)
@@ -165,7 +165,7 @@ def __makeattr(self, name):
     __getattr__ = __makeattr
 
     @property
-    def __dict__(self):
+    def __dict__(self):  # type: ignore
         # force all the content of the module
         # to be loaded when __dict__ is read
         dictdescr = ModuleType.__dict__['__dict__']  # type: ignore
diff --git a/skytools/scripting.py b/skytools/scripting.py
index 54fe5bc..27b8a50 100644
--- a/skytools/scripting.py
+++ b/skytools/scripting.py
@@ -323,7 +323,7 @@ def parse_args(self, args: Sequence[str]) -> Tuple[Any, Sequence[str]]:
             args = getattr(options, "args", [])
             return options, args
         opt_parser = self.init_optparse()
-        options2, args2 = opt_parser.parse_args(args)
+        options2, args2 = opt_parser.parse_args(list(args))
         return options2, args2
 
     def print_version(self) -> None:
diff --git a/skytools/tnetstrings.py b/skytools/tnetstrings.py
index 126346e..a652fc1 100644
--- a/skytools/tnetstrings.py
+++ b/skytools/tnetstrings.py
@@ -1,5 +1,6 @@
 """TNetStrings.
 """
+# mypy: disable-error-code="comparison-overlap"
 
 import codecs
 from typing import Any, List
diff --git a/tox.ini b/tox.ini
index e31e99d..826b747 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,24 +5,23 @@ envlist = lint,xlint,py3
 [package]
 name = skytools
 deps =
-    psycopg2-binary==2.9.7; platform_python_implementation != 'PyPy'
+    setuptools==82.0.1
+    psycopg2-binary==2.9.12; platform_python_implementation != 'PyPy'
 test_deps =
-    #coverage==7.3.0
-    coverage==7.2.7
-    pytest==7.4.0
-    pytest-cov==4.1.0
+    coverage==7.14.1
+    pytest==9.0.3
+    pytest-cov==7.1.0
 lint_deps =
-    mypy==1.5.1
-    pyflakes==3.1.0
-    typing-extensions==4.7.1
-    types-setuptools==68.1.0.0
-    types-psycopg2==2.9.21.11; platform_python_implementation != 'PyPy'
+    mypy==2.1.0
+    pyflakes==3.4.0
+    typing-extensions==4.15.0
+    types-setuptools==82.0.0.20260518
+    types-psycopg2==2.9.21.20260518; platform_python_implementation != 'PyPy'
 xlint_deps =
-    pylint==2.17.5
-    pytype==2023.8.22
+    pylint==4.0.5
 doc_deps =
-    sphinx==7.2.2
-    docutils==0.20.1
+    sphinx==9.1.0
+    docutils==0.23
 
 [testenv]
 changedir = {toxinidir}
@@ -46,7 +45,7 @@ commands =
 
 [testenv:lint]
 #changedir = {toxinidir}
-basepython = python3
+basepython = python3.14
 deps =
     {[package]deps}
     {[package]lint_deps}
@@ -64,7 +63,6 @@ deps =
     {[package]xlint_deps}
 commands =
     pylint skytools
-    #pytype skytools
 
 [testenv:docs]
 basepython = python3