diff --git a/.github/workflows/release-pypi.yml b/.github/workflows/release-pypi.yml
index 475276df..e28fc626 100644
--- a/.github/workflows/release-pypi.yml
+++ b/.github/workflows/release-pypi.yml
@@ -51,7 +51,7 @@ jobs:
 
     # for other architectures, see: https://cibuildwheel.readthedocs.io/en/stable/faq/#emulation
     - name: Build wheels for CPython
-      uses: pypa/cibuildwheel@v2.23.3
+      uses: pypa/cibuildwheel@v3.3.1
       env:
         CIBW_BEFORE_BUILD: 'pip install cython>=0.29.36'
         CIBW_BUILD: 'cp*'     # build all CPython versions
diff --git a/setup.py b/setup.py
index 197544dd..2bd060c4 100644
--- a/setup.py
+++ b/setup.py
@@ -194,7 +194,7 @@ def getext(fname):
           'setuptools',
       ] + extra_install_requires,
       setup_requires=[
-          'setuptools_scm==5.0.2',
+          'setuptools_scm',
       ] + extra_install_requires,
       zip_safe=False,
       entry_points={
diff --git a/tox.ini b/tox.ini
index 4aa903c5..43eb561a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,8 +8,7 @@ setenv =
   TOX_ENV={envname}
 
 deps =
-    pytest==6.2.5 ; python_version < "3.13"
-    pytest>=8.4.0 ; python_version >= "3.13"
+    pytest
 
 commands =
     test: py.test {envsitepackagesdir}/capnpy/testing -rs --pyx {posargs}