diff --git a/.github/workflows/build_wheels_linux.yml b/.github/workflows/build_wheels_linux.yml
index 9df69240..7bfe8cec 100644
--- a/.github/workflows/build_wheels_linux.yml
+++ b/.github/workflows/build_wheels_linux.yml
@@ -58,10 +58,10 @@ jobs:
           echo "ENABLE_ROLLING=1" >> $GITHUB_ENV
         fi
     - name: Checkout
-      run: |
-        echo "Source branch name: ${{ github.head_ref }}"
-        echo "Target branch name: ${{ github.base_ref }}"
-        git clone --depth 1 -b "${{ github.head_ref }}" "https://github.com/${{ github.event.pull_request.head.repo.full_name }}" "${{ github.workspace }}"
+      uses: actions/checkout@v3
+      with:
+        submodules: false
+        fetch-depth: 0
     - name: Build a package
       run: source scripts/build.sh
     - name: Saving all wheels
@@ -84,7 +84,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         platform: [x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
@@ -93,7 +93,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       NP_TEST_DEP: numpy==1.19.4
-      NP_TEST_DEP_LATEST: numpy==2.0.0
+      NP_TEST_DEP_LATEST: numpy==2.2.1
       CONFIG_PATH: travis_config.sh
       PLAT: x86_64
     steps:
@@ -101,12 +101,12 @@ jobs:
       run: find . -mindepth 1 -delete
       working-directory: ${{ github.workspace }}
     - name: Checkout
-      run: |
-        echo "Source branch name: ${{ github.head_ref }}"
-        echo "Target branch name: ${{ github.base_ref }}"
-        git clone --depth 1 --recurse-submodules -b "${{ github.head_ref }}" "https://github.com/${{ github.event.pull_request.head.repo.full_name }}" "${{ github.workspace }}"
+      uses: actions/checkout@v3
+      with:
+        submodules: true
+        fetch-depth: 0
     - name: Setup Environment variables
-      run: if [ "3.10" == "${{ matrix.python-version }}" -o "3.11" == "${{ matrix.python-version }}" -o "3.12" == "${{ matrix.python-version }}" ]; then echo "TEST_DEPENDS=$(echo $NP_TEST_DEP_LATEST)" >> $GITHUB_ENV; else echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV; fi
+      run: if [ "3.10" == "${{ matrix.python-version }}" -o "3.11" == "${{ matrix.python-version }}" -o "3.12" == "${{ matrix.python-version }}" -o "3.13" == "${{ matrix.python-version }}" ]; then echo "TEST_DEPENDS=$(echo $NP_TEST_DEP_LATEST)" >> $GITHUB_ENV; else echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV; fi
     - name: Download a wheel accordingly to matrix
       uses: actions/download-artifact@v3
       with:
@@ -155,10 +155,10 @@ jobs:
           echo "ENABLE_ROLLING=1" >> $GITHUB_ENV
         fi
     - name: Checkout
-      run: |
-        echo "Source branch name: ${{ github.head_ref }}"
-        echo "Target branch name: ${{ github.base_ref }}"
-        git clone --depth 1 -b "${{ github.head_ref }}" "https://github.com/${{ github.event.pull_request.head.repo.full_name }}" "${{ github.workspace }}"
+      uses: actions/checkout@v3
+      with:
+        submodules: false
+        fetch-depth: 0
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/build_wheels_linux_arm.yml b/.github/workflows/build_wheels_linux_arm.yml
index bd5c0040..d643ba8e 100644
--- a/.github/workflows/build_wheels_linux_arm.yml
+++ b/.github/workflows/build_wheels_linux_arm.yml
@@ -58,10 +58,10 @@ jobs:
           echo "ENABLE_ROLLING=1" >> $GITHUB_ENV
         fi
     - name: Checkout
-      run: |
-        echo "Source branch name: ${{ github.head_ref }}"
-        echo "Target branch name: ${{ github.base_ref }}"
-        git clone --depth 1 -b "${{ github.head_ref }}" "https://github.com/${{ github.event.pull_request.head.repo.full_name }}" "${{ github.workspace }}"
+      uses: actions/checkout@v3
+      with:
+        submodules: false
+        fetch-depth: 0
     - name: Build a package
       run: source scripts/build.sh
     - name: Saving all wheels
@@ -84,7 +84,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         platform: [x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
@@ -94,7 +94,7 @@ jobs:
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       PLAT: aarch64
       NP_TEST_DEP: numpy==1.19.4
-      NP_TEST_DEP_LATEST: numpy==2.0.0
+      NP_TEST_DEP_LATEST: numpy==2.2.1
       CONFIG_PATH: travis_config.sh
       DOCKER_TEST_IMAGE: multibuild/focal_arm64v8
       UNICODE_WIDTH: 32
@@ -103,12 +103,12 @@ jobs:
       run: find . -mindepth 1 -delete
       working-directory: ${{ github.workspace }}
     - name: Checkout
-      run: |
-        echo "Source branch name:  ${{ github.head_ref }}"
-        echo "Target branch name: ${{ github.base_ref }}"
-        git clone --depth 1 --recurse-submodules -b "${{ github.head_ref }}" "https://github.com/${{ github.event.pull_request.head.repo.full_name }}" "${{ github.workspace }}"
+      uses: actions/checkout@v3
+      with:
+        submodules: true
+        fetch-depth: 0
     - name: Setup Environment variables
-      run: if [ "3.10" == "${{ matrix.python-version }}" -o "3.11" == "${{ matrix.python-version }}" -o "3.12" == "${{ matrix.python-version }}" ]; then echo "TEST_DEPENDS=$(echo $NP_TEST_DEP_LATEST)" >> $GITHUB_ENV; else echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV; fi
+      run: if [ "3.10" == "${{ matrix.python-version }}" -o "3.11" == "${{ matrix.python-version }}" -o "3.12" == "${{ matrix.python-version }}" -o "3.13" == "${{ matrix.python-version }}" ]; then echo "TEST_DEPENDS=$(echo $NP_TEST_DEP_LATEST)" >> $GITHUB_ENV; else echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV; fi
     - name: Download a wheel accordingly to matrix
       uses: actions/download-artifact@v3
       with:
diff --git a/.github/workflows/build_wheels_macos.yml b/.github/workflows/build_wheels_macos.yml
index 6940cc55..eb797d46 100644
--- a/.github/workflows/build_wheels_macos.yml
+++ b/.github/workflows/build_wheels_macos.yml
@@ -105,7 +105,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         platform: [x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
@@ -114,7 +114,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       NP_TEST_DEP: numpy==1.19.4
-      NP_TEST_DEP_LATEST: numpy==2.0.0
+      NP_TEST_DEP_LATEST: numpy==2.2.1
       CONFIG_PATH: travis_config.sh
       PLAT: x86_64
       OPENCV_TEST_DATA_PATH: ${{ github.workspace }}/opencv_extra/testdata
@@ -134,7 +134,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
         architecture: ${{ matrix.platform }}
     - name: Setup Environment variables
-      run: if [ "3.10" == "${{ matrix.python-version }}" -o "3.11" == "${{ matrix.python-version }}" -o "3.12" == "${{ matrix.python-version }}" ]; then echo "TEST_DEPENDS=$(echo $NP_TEST_DEP_LATEST)" >> $GITHUB_ENV; else echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV; fi
+      run: if ["3.10" == "${{ matrix.python-version }}" -o "3.11" == "${{ matrix.python-version }}" -o "3.12" == "${{ matrix.python-version }}" -o "3.13" == "${{ matrix.python-version }}" ]; then echo "TEST_DEPENDS=$(echo $NP_TEST_DEP_LATEST)" >> $GITHUB_ENV; else echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV; fi
     - name: Download a wheel accordingly to matrix
       uses: actions/download-artifact@v3
       with:
diff --git a/.github/workflows/build_wheels_macos_m1.yml b/.github/workflows/build_wheels_macos_m1.yml
index dd119fcb..ffbdc752 100644
--- a/.github/workflows/build_wheels_macos_m1.yml
+++ b/.github/workflows/build_wheels_macos_m1.yml
@@ -54,7 +54,7 @@ jobs:
         git submodule update --init multibuild
         echo $ENABLE_CONTRIB > contrib.enabled
         echo $ENABLE_HEADLESS > headless.enabled
-        export MACOSX_DEPLOYMENT_TARGET=11.0
+        export MACOSX_DEPLOYMENT_TARGET=13.0
         python${{ matrix.python-version }} -m pip install toml && python${{ matrix.python-version }} -c 'import toml; c = toml.load("pyproject.toml"); print("\n".join(c["build-system"]["requires"]))' | python${{ matrix.python-version }} -m pip install -r /dev/stdin
         python${{ matrix.python-version }} setup.py bdist_wheel --py-limited-api=cp37 --dist-dir=wheelhouse -v
         delocate-wheel ${{ github.workspace }}/wheelhouse/opencv*
@@ -71,11 +71,11 @@ jobs:
 
   Test:
     needs: [Build]
-    runs-on: opencv-cn-mac-arm64-tests
+    runs-on: python-macos12-m1
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         platform: [x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
diff --git a/.github/workflows/build_wheels_windows.yml b/.github/workflows/build_wheels_windows.yml
index d69f17ec..bb7b548b 100644
--- a/.github/workflows/build_wheels_windows.yml
+++ b/.github/workflows/build_wheels_windows.yml
@@ -59,6 +59,8 @@ jobs:
         architecture: ${{ matrix.platform }}
     - name: Setup MSBuild.exe
       uses: microsoft/setup-msbuild@v1.1
+    - name: Setup NASM
+      uses: ilammy/setup-nasm@v1
     - name: Build a package
       # CMake 3.25 regression fix. See https://stackoverflow.com/questions/74162633/problem-compiling-from-source-opencv-with-mvsc2019-in-64-bit-version
       run: |
@@ -89,7 +91,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         platform: [x86, x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
diff --git a/MANIFEST.in b/MANIFEST.in
index b429eae0..cb9a7e7b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,6 +4,7 @@ include README.md
 include find_version.py
 include setup.py
 include pyproject.toml
+include _build_backend/backend.py
 recursive-include cv2 *
 recursive-include docker *
 recursive-include opencv *
diff --git a/_build_backend/backend.py b/_build_backend/backend.py
new file mode 100644
index 00000000..7fc84138
--- /dev/null
+++ b/_build_backend/backend.py
@@ -0,0 +1,23 @@
+from setuptools import build_meta as _orig
+
+prepare_metadata_for_build_wheel = _orig.prepare_metadata_for_build_wheel
+build_wheel = _orig.build_wheel
+build_sdist = _orig.build_sdist
+get_requires_for_build_sdist = _orig.get_requires_for_build_sdist
+
+def get_requires_for_build_wheel(config_settings=None):
+    from packaging import version
+    from skbuild.exceptions import SKBuildError
+    from skbuild.cmaker import get_cmake_version
+    packages = _orig.get_requires_for_build_wheel(config_settings)
+    # check if system cmake can be used if present
+    # if not, append cmake PyPI distribution to required packages
+    # scikit-build>=0.18 itself requires cmake 3.5+
+    min_version = "3.5"
+    try:
+        if version.parse(get_cmake_version().split("-")[0]) < version.parse(min_version):
+            packages.append(f'cmake>={min_version}')
+    except SKBuildError:
+        packages.append(f'cmake>={min_version}')
+
+    return packages
diff --git a/opencv b/opencv
index b42075f3..31b0eeea 160000
--- a/opencv
+++ b/opencv
@@ -1 +1 @@
-Subproject commit b42075f3e2c7eca4a12e55b32cfc95fa90982a21
+Subproject commit 31b0eeea0b44b370fd0712312df4214d4ae1b158
diff --git a/opencv_contrib b/opencv_contrib
index 3e776c87..0e5254eb 160000
--- a/opencv_contrib
+++ b/opencv_contrib
@@ -1 +1 @@
-Subproject commit 3e776c876ef8527ad639d2c792521b6cede291e5
+Subproject commit 0e5254ebf54d2aed6e7eaf6660bf3b797cf50a02
diff --git a/pyproject.toml b/pyproject.toml
index 71de7f9b..d70b49ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,13 +1,18 @@
 [build-system]
 requires = [
-  "cmake>=3.1",
   "numpy==1.13.3; python_version=='3.6' and platform_machine != 'aarch64' and platform_machine != 'arm64'",
   "numpy==1.17.0; python_version=='3.7' and platform_machine != 'aarch64' and platform_machine != 'arm64'",
   "numpy==1.17.5; python_version=='3.8' and platform_machine != 'aarch64' and platform_machine != 'arm64'",
   "numpy==1.19.3; python_version<'3.9' and sys_platform == 'linux' and platform_machine == 'aarch64'",
   "numpy==1.21.0; python_version<'3.9' and sys_platform == 'darwin' and platform_machine == 'arm64'",
   "numpy>=2.0.0;  python_version>='3.9'",
+  "packaging",
   "pip",
   "scikit-build>=0.14.0",
-  "setuptools==59.2.0",
+  "setuptools==59.2.0; python_version<'3.12'",
+  "setuptools<70.0.0; python_version>='3.12'",
 ]
+# use a custom backend to manage CMake check / installation
+# see https://scikit-build.readthedocs.io/en/latest/usage.html#adding-cmake-as-building-requirement-only-if-not-installed-or-too-low-a-version
+build-backend = "backend"
+backend-path = ["_build_backend"]
diff --git a/setup.py b/setup.py
index fd4181d0..1dfab2fb 100644
--- a/setup.py
+++ b/setup.py
@@ -118,8 +118,11 @@ def main():
         # In Windows, in python/X.Y/<arch>/; in Linux, in just python/X.Y/.
         # Naming conventions vary so widely between versions and OSes
         # had to give up on checking them.
+        # If not specifying PY_LIMITED_API, the Python sources go under python/cv2/python-3.MINOR_VERSION/ instead of python/cv2/python-3/
         [
-            r"python/cv2/python-%s/cv2.*"
+            r"python/cv2/python-%s*/cv2.*"
+            % (sys.version_info[0]) if 'CMAKE_ARGS' in os.environ and "-DPYTHON3_LIMITED_API=ON" in os.environ['CMAKE_ARGS']
+            else r"python/cv2/python-%s.*/cv2.*"
             % (sys.version_info[0])
         ]
         +
@@ -300,6 +303,7 @@ def main():
             "Programming Language :: Python :: 3.10",
             "Programming Language :: Python :: 3.11",
             "Programming Language :: Python :: 3.12",
+            "Programming Language :: Python :: 3.13",
             "Programming Language :: C++",
             "Programming Language :: Python :: Implementation :: CPython",
             "Topic :: Scientific/Engineering",