diff --git a/.github/workflows/reusable-cibuildwheel.yml b/.github/workflows/reusable-cibuildwheel.yml
index df7fe468e..e17a14295 100644
--- a/.github/workflows/reusable-cibuildwheel.yml
+++ b/.github/workflows/reusable-cibuildwheel.yml
@@ -42,6 +42,7 @@ env:
   FORCE_COLOR: "1"  # Make tools pretty.
   PIP_DISABLE_PIP_VERSION_CHECK: "1"
   PIP_NO_PYTHON_VERSION_WARNING: "1"
+  MACOSX_DEPLOYMENT_TARGET: "13.0"
 
 jobs:
 
@@ -101,7 +102,7 @@ jobs:
       shell: bash
 
     - name: Build wheels
-      uses: pypa/cibuildwheel@v2.17.0
+      uses: pypa/cibuildwheel@v2.21.2
       env:
         # CIBW_ARCHS_MACOS: all x86_64 arm64 universal2
         CIBW_ARCHS_MACOS: native
diff --git a/docs/changelog-fragments/725.packaging.rst b/docs/changelog-fragments/725.packaging.rst
new file mode 100644
index 000000000..d1cedde5c
--- /dev/null
+++ b/docs/changelog-fragments/725.packaging.rst
@@ -0,0 +1,3 @@
+Updated ``cibuildwheel`` to 2.21.2, in order to start building Python 3.13 wheels.
+In doing so, ``MACOSX_DEPLOYMENT_TARGET`` was set to ``13.0`` instead of being undefined.
+-- by :user:`Qalthos`
diff --git a/requirements-build.txt b/requirements-build.txt
index 1e1a21fb8..19abe9379 100644
--- a/requirements-build.txt
+++ b/requirements-build.txt
@@ -8,15 +8,15 @@ cython==3.0.12
     # via -r -
 expandvars==0.9.0
     # via -r -
-packaging==24.0
+packaging==24.1
     # via setuptools-scm
 pyparsing==3.0.9
     # via packaging
 setuptools-scm==8.1.0
     # via -r -
-tomli==2.0.1
+tomli==2.0.2
     # via setuptools-scm
-typing-extensions==4.10.0
+typing-extensions==4.12.2
     # via setuptools-scm
 wheel==0.37.1
     # via -r -