diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index 20a30c0..87d6139 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -5,14 +5,43 @@ on:
   push:
     branches:
       - main
+    paths:
+      - "src/radius_clustering/**"
+      - "tests/**"
+      - "pyproject.toml"
   release:
     types:
       - published
 
 jobs:
+  run_pytest:
+    name: Run tests on min and max Python versions
+    runs-on: self-hosted
+    strategy:
+      fail-fast: true
+      matrix:
+        python-version: ["3.9", "3.13"]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -e ".[dev]"
+
+      - name: Run tests with pytest
+        run: |
+          pytest -v
+
   build_wheels:
     name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
+    needs: run_pytest
     strategy:
       fail-fast: false 
       matrix:
@@ -32,12 +61,16 @@ jobs:
 
   build_sdist:
     name: Build source distribution
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
+    needs: run_pytest
     steps:
       - uses: actions/checkout@v4
 
       - name: Build sdist
-        run: pipx run build --sdist
+        run: |
+          pip install --upgrade pip
+          pip install --upgrade pipx
+          pipx run build --sdist
 
       - uses: actions/upload-artifact@v4
         with:
@@ -46,7 +79,7 @@ jobs:
 
   upload_pypi:
     needs: [build_wheels, build_sdist]
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
     environment: 
       name: pypi
       url: https://pypi.org/p/radius-clustering
diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
index 8adecff..f50757e 100644
--- a/.github/workflows/pr_build.yml
+++ b/.github/workflows/pr_build.yml
@@ -11,45 +11,27 @@ jobs:
         name: Run pytest
         uses: ./.github/workflows/tests.yml
 
-  build_test_wheels:
-    name: Test build on Ubuntu
-    runs-on: ubuntu-latest
+  build_test_sdist:
+    name: Test source distribution
+    runs-on: self-hosted
+    needs: run_pytest
     strategy:
-        fail-fast: false
-        matrix:
-          python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+      fail-fast: true
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
 
-      - name: Build wheels
-        uses: pypa/cibuildwheel@v2.22.0
-        with:
-          package-dir: .
-          output-dir: ./wheelhouse
-          config-file: "{package}/pyproject.toml"
-        
-      - name: Setup Python
+      - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Test import
-        run: |
-          PY_VERSION=$(echo ${{ matrix.python-version }} | sed 's/\.//g')
-
-          ls -la ./wheelhouse/
-          
-          pip install ./wheelhouse/*cp${PY_VERSION}*.whl
-          python -c "import radius_clustering; print(f'Successfully imported version {radius_clustering.__version__}')"
-
-  build_test_sdist:
-    name: Test source distribution
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
       - name: Build sdist
-        run: pipx run build --sdist
+        run: |
+          pip install --upgrade pip
+          pip install pipx
+          pipx run build --sdist
 
       - name: Test sdist
         run: |
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2ebeb97..811dfd1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,19 +7,22 @@ on:
 jobs:
   pytest:
     name: Run pytest
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
+    strategy:
+      fail-fast: true
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install pytest
           python -m pip install -e ".[dev]"
 
       - name: Run tests with pytest
diff --git a/pyproject.toml b/pyproject.toml
index 6218a72..175e565 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ license = {file = "LICENSE"}
 classifiers=[
   "Intended Audience :: Science/Research",
   "Intended Audience :: Developers",
-  "License :: OSI Approved :: MIT License",
+  "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
   "Programming Language :: C",
   "Programming Language :: C++",
   "Programming Language :: Python",
@@ -33,6 +33,7 @@ classifiers=[
   "Operating System :: Microsoft :: Windows",
   "Operating System :: POSIX",
   "Operating System :: Unix",
+  "Operating System :: MacOS",
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
@@ -56,15 +57,6 @@ dev = [
     "setuptools>= 61.0",
     "black>=24.3.0",
     "ruff>=0.4.8",
-    "sphinx>=8.1.3",
-    "sphinx_gallery>=0.18.0",
-    "sphinx-copybutton>=0.5.2",
-    "pydata-sphinx-theme>=0.15.3",
-    "sphinxcontrib-email>=0.3.6",
-    "sphinx-remove-toctrees>=1.0.0",
-    "sphinx-prompt>=1.9.0",
-    "sphinx_design>=0.6.1",
-    "sphinxcontrib.sass >= 0.3.4",
 ]
 
 doc = [
diff --git a/src/radius_clustering/__init__.py b/src/radius_clustering/__init__.py
index 781aaed..3ebc26e 100644
--- a/src/radius_clustering/__init__.py
+++ b/src/radius_clustering/__init__.py
@@ -4,4 +4,4 @@
 __all__ = ["RadiusClustering"]
 
 # Optionally, you can set a version number for your package
-__version__ = "1.2.1"
+__version__ = "1.2.2"