diff --git a/.github/workflows/black-ruff.yml b/.github/workflows/black-ruff.yml
index 9a04743..fae3f72 100644
--- a/.github/workflows/black-ruff.yml
+++ b/.github/workflows/black-ruff.yml
@@ -4,7 +4,7 @@ jobs:
   black-format-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: psf/black@stable
         with:
           options: "--diff --check"
@@ -12,5 +12,5 @@ jobs:
   ruff-format-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: chartboost/ruff-action@v1
diff --git a/.github/workflows/check-urls.yml b/.github/workflows/check-urls.yml
index b348ab2..ea8fa79 100644
--- a/.github/workflows/check-urls.yml
+++ b/.github/workflows/check-urls.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: urls-checker-code
       uses: urlstechie/urlchecker-action@main
diff --git a/.github/workflows/clang.yml b/.github/workflows/clang.yml
index 0c30a71..964dced 100644
--- a/.github/workflows/clang.yml
+++ b/.github/workflows/clang.yml
@@ -4,7 +4,7 @@ jobs:
   clang-format-checking:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: RafikFarhad/clang-format-github-action@v3
         with:
           sources: "src/**/*.h,src/**/*.c,test/**/*.c"
diff --git a/.github/workflows/cmakelint.yml b/.github/workflows/cmakelint.yml
index 36265e9..07f2ad6 100644
--- a/.github/workflows/cmakelint.yml
+++ b/.github/workflows/cmakelint.yml
@@ -8,7 +8,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Format CMake files
       id: cmake-format
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 8f05f7a..f24abd3 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -17,11 +17,11 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - uses: tlylt/install-graphviz@v1
 
@@ -35,7 +35,7 @@ jobs:
         run: python -m pip install -r requirements-dev.txt
 
       - name: Cache pip
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements-dev.txt') }}
@@ -86,6 +86,6 @@ jobs:
             exit 1
           fi
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: ./dist/html/**
diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index c0a5259..0632a5c 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -4,10 +4,10 @@ jobs:
   mypy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
       - name: Install mypy
         run: pip install mypy
       - name: Run mypy
diff --git a/.github/workflows/rstcheck.yml b/.github/workflows/rstcheck.yml
index 4a48174..332f359 100644
--- a/.github/workflows/rstcheck.yml
+++ b/.github/workflows/rstcheck.yml
@@ -11,12 +11,12 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # Used to host cibuildwheel
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - name: Install requirements
         run: python -m pip install -r requirements.txt
diff --git a/.github/workflows/wheels-linux.yml b/.github/workflows/wheels-linux.yml
index f16510c..95d1402 100644
--- a/.github/workflows/wheels-linux.yml
+++ b/.github/workflows/wheels-linux.yml
@@ -25,12 +25,12 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # Used to host cibuildwheel
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel
@@ -41,6 +41,6 @@ jobs:
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: ./wheelhouse/*.whl
diff --git a/.github/workflows/wheels-mac.yml b/.github/workflows/wheels-mac.yml
index 5c06eb0..dbb0dbd 100644
--- a/.github/workflows/wheels-mac.yml
+++ b/.github/workflows/wheels-mac.yml
@@ -21,12 +21,12 @@ jobs:
         os: [macOS-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # Used to host cibuildwheel
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel
@@ -37,6 +37,6 @@ jobs:
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: ./wheelhouse/*.whl
diff --git a/.github/workflows/wheels-windows.yml b/.github/workflows/wheels-windows.yml
index d0dd75a..2c29360 100644
--- a/.github/workflows/wheels-windows.yml
+++ b/.github/workflows/wheels-windows.yml
@@ -20,12 +20,12 @@ jobs:
         os: [windows-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # Used to host cibuildwheel
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: '3.12'
 
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel
@@ -36,6 +36,6 @@ jobs:
       - name: Build wheels
         run: python -m cibuildwheel
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: ./wheelhouse/*.whl
diff --git a/_unittests/ut_mlmodel/test_kmeans_sklearn.py b/_unittests/ut_mlmodel/test_kmeans_sklearn.py
index 974b024..253c828 100644
--- a/_unittests/ut_mlmodel/test_kmeans_sklearn.py
+++ b/_unittests/ut_mlmodel/test_kmeans_sklearn.py
@@ -5,7 +5,6 @@
     assert_array_equal,
     assert_array_almost_equal,
     assert_almost_equal,
-    assert_raise_message,
 )
 from sklearn.metrics.cluster import v_measure_score
 from sklearn.datasets import make_blobs
@@ -112,12 +111,12 @@ def _check_fitted_model(self, km):
         self.assertGreater(km.inertia_, 0.0)
 
         # check error on dataset being too small
-        assert_raise_message(
-            ValueError,
-            "n_samples=1 should be >= n_clusters=%d" % km.n_clusters,
-            km.fit,
-            [[0.0, 1.0]],
-        )
+        try:
+            km.fit([[0.0, 1.0]])
+        except Exception as e:
+            self.assertIn(
+                f"n_samples=1 should be >= n_clusters={km.n_clusters}", str(e)
+            )
 
     @ignore_warnings(UserWarning)
     def test_k_means_new_centers(self):
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 3e54602..96c05e7 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,4 +1,5 @@
 jobs:
+
 - job: 'TestLinuxWheelNoCuda'
   pool:
     vmImage: 'ubuntu-latest'
diff --git a/pyproject.toml b/pyproject.toml
index abe94ef..c6d950a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,9 +14,10 @@ classifiers = [
     "Operating System :: Unix",
     "Operating System :: MacOS",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 dependencies = ["numpy", "onnx>=1.14.0", "scipy"]
 description = "Extends the list of supported operators in onnx reference implementation and onnxruntime, or implements faster versions in C++."
@@ -24,7 +25,7 @@ keywords = ["onnx", "cython", "scikit-learn", "machine-learning"]
 license = {file = "LICENSE.txt"}
 name = "mlinsights"
 readme = "README.rst"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 version = "0.5.1"
 
 [project.urls]
@@ -108,7 +109,7 @@ manylinux-x86_64-image = "manylinux2014"
 [tool.cibuildwheel.linux]
 archs = ["x86_64"]
 build = "cp*"
-skip = "cp36-* cp37-* cp38-* cp39-* cp313-* cp314-* pypy* *musllinux*"
+skip = "cp36-* cp37-* cp38-* cp39-* cp313-* cp314-* cp315-* pypy* *musllinux*"
 manylinux-x86_64-image = "manylinux2014"
 before-build = "pip install auditwheel-symbols abi3audit"
 build-verbosity = 1
@@ -116,15 +117,23 @@ repair-wheel-command = "auditwheel-symbols --manylinux 2014 {wheel} ; abi3audit
 # repair-wheel-command = "auditwheel-symbols --manylinux 2014 {wheel} || exit 0"
 
 [tool.cibuildwheel.macos]
-archs = ["arm64", "universal2"]
+archs = "arm64"  # or "universal2" for a single universal wheel
+environment = """
+    MACOSX_DEPLOYMENT_TARGET=14.0
+    LDFLAGS='-L$(brew --prefix libomp)/lib'
+    CPPFLAGS='-I$(brew --prefix libomp)/include'
+    CFLAGS='-I$(brew --prefix libomp)/include -arch x86_64 -arch arm64'
+    CXXFLAGS='-I$(brew --prefix libomp)/include -arch x86_64 -arch arm64'
+    DYLD_LIBRARY_PATH='$(brew --prefix libomp)/lib:$DYLD_LIBRARY_PATH'
+"""
 build = "cp*"
-skip = "cp36-* cp37-* cp38-* cp39-* cp313-* cp314-* pypy* pp*"
+skip = "cp36-* cp37-* cp38-* cp39-* cp313-* cp314-* cp315-* pypy* pp*"
 before-build = "brew install libomp llvm&&echo 'export PATH=\"/opt/homebrew/opt/llvm/bin:$PATH\"' >> /Users/runner/.bash_profile"
 
 [tool.cibuildwheel.windows]
 archs = ["AMD64"]
 build = "cp*"
-skip = "cp36-* cp37-* cp38-* cp39-* cp313-* cp314-* pypy*"
+skip = "cp36-* cp37-* cp38-* cp39-* cp313-* cp314-* cp315-* pypy*"
 
 [tool.cython-lint]
 max-line-length = 88
diff --git a/setup.py b/setup.py
index 983267e..272abff 100644
--- a/setup.py
+++ b/setup.py
@@ -265,8 +265,8 @@ def initialize_options(self):
         self._parent.initialize_options(self)
 
         # boolean
-        b_values = {0, 1, "1", "0", True, False}
-        t_values = {1, "1", True}
+        b_values = {0, 1, "1", "0", True, False}  # noqa: B033
+        t_values = {1, "1", True}  # noqa: B033
         for att in ["use_nvtx", "use_cuda", "manylinux"]:
             v = getattr(self, att)
             if v is not None:
@@ -295,7 +295,7 @@ def initialize_options(self):
     def finalize_options(self):
         self._parent.finalize_options(self)
 
-        b_values = {0, 1, "1", "0", True, False, "True", "False"}
+        b_values = {0, 1, "1", "0", True, False, "True", "False"}  # noqa: B033
         if self.use_nvtx not in b_values:
             raise ValueError(f"use_nvtx={self.use_nvtx!r} must be in {b_values}.")
         if self.use_cuda is None:
@@ -303,9 +303,9 @@ def finalize_options(self):
         if self.use_cuda not in b_values:
             raise ValueError(f"use_cuda={self.use_cuda!r} must be in {b_values}.")
 
-        self.use_nvtx = self.use_nvtx in {1, "1", True, "True"}
-        self.use_cuda = self.use_cuda in {1, "1", True, "True"}
-        self.manylinux = self.manylinux in {1, "1", True, "True"}
+        self.use_nvtx = self.use_nvtx in {1, "1", True, "True"}  # noqa: B033
+        self.use_cuda = self.use_cuda in {1, "1", True, "True"}  # noqa: B033
+        self.manylinux = self.manylinux in {1, "1", True, "True"}  # noqa: B033
 
         if self.cuda_version in (None, ""):
             self.cuda_version = None
@@ -599,7 +599,7 @@ def get_ext_modules():
                 add_cuda = False
         elif "--use-cuda=0" in sys.argv:
             add_cuda = False
-        elif os.environ.get("USE_CUDA", None) in {0, "0", False}:
+        elif os.environ.get("USE_CUDA", None) in {0, "0", False}:  # noqa: B033
             add_cuda = False
         if add_cuda:
             cuda_extensions.extend([])