diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f7abb9a..ec9c755 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -2,159 +2,232 @@ name: CI
 
 on: [push, pull_request]
 
+# Automatically cancel previous runs of this workflow on the same branch
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
+  linux:
+    # Skip building pull requests from the same repository
+    if: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository) }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        target: [x86_64, aarch64]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          submodules: 'true'
+
+      - name: Update pyproject.toml version
+        if: ${{ startsWith(github.ref, 'refs/tags/') }}
+        shell: bash
+        run: |
+          # Extract version from tag (strip 'v' prefix if present)
+          VERSION=${GITHUB_REF#refs/tags/}
+          VERSION=${VERSION#v}
+          echo "Extracted version: $VERSION"
+          
+          # Update version in pyproject.toml (works on both GNU and BSD sed)
+          sed -i.bak "s/^version = .*/version = \"$VERSION\"/" pyproject.toml
+          rm pyproject.toml.bak
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "0.9.3"
+
+      # NOTE: On Linux we need to manually export LD_LIBRARY_PATH
+      - name: Set up Python
+        run: |
+          uv python install --default
+          LIBDIR=$(python -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))")
+          echo "LD_LIBRARY_PATH=${LIBDIR}:${LD_LIBRARY_PATH}" >> $GITHUB_ENV
+
+      - name: Run Python tests
+        run: uv run pytest
+
+      - name: Run Rust tests
+        run: cargo run
+
+      - name: Clean Rust build cache
+        run: cargo clean
+
+      - name: Build wheels
+        uses: PyO3/maturin-action@v1
+        with:
+          target: ${{ matrix.target }}
+          args: --release --out dist --find-interpreter
+          manylinux: auto
+
+      - name: Upload wheels
+        uses: actions/upload-artifact@v4
+        with:
+          name: wheels-linux-${{ matrix.target }}
+          path: dist
+
   windows:
     # Skip building pull requests from the same repository
     if: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository) }}
     runs-on: windows-latest
-    env:
-      # Disable output buffering in an attempt to get readable errors
-      PYTHONUNBUFFERED: '1'
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: 'true'
-      
-      - name: Python environment
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.12'
 
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: x86_64-pc-windows-msvc
-
-      - name: Build
+      - name: Update pyproject.toml version
+        if: ${{ startsWith(github.ref, 'refs/tags/') }}
         shell: bash
         run: |
-          pip install -r requirements.txt
-          python setup.py sdist
-          python setup.py bdist_wheel --py-limited-api=cp37
-          pip install --force-reinstall dist/*.whl
-          python -c "import icicle"
+          # Extract version from tag (strip 'v' prefix if present)
+          VERSION=${GITHUB_REF#refs/tags/}
+          VERSION=${VERSION#v}
+          echo "Extracted version: $VERSION"
+          
+          # Update version in pyproject.toml (works on both GNU and BSD sed)
+          sed -i.bak "s/^version = .*/version = \"$VERSION\"/" pyproject.toml
+          rm pyproject.toml.bak
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
+        with:
+          version: "0.9.3"
+
+      - name: Set up Python
+        run: uv python install --default
+
+      - name: Run Rust tests
+        run: cargo run
+
+      - name: Build wheels
+        uses: PyO3/maturin-action@v1
+        with:
+          target: x64
+          args: --release --out dist --find-interpreter
+
+      - name: Run Python tests
+        run: uv run pytest
 
-      - name: Test
-        run: |
-          pip install -r tests/requirements.txt
-          python tests/example.py
-          python tests/invalid.py
-    
       - name: Upload wheels
         uses: actions/upload-artifact@v4
         with:
-          name: wheels-windows
+          name: wheels-windows-x64
           path: dist
 
   macos:
     # Skip building pull requests from the same repository
     if: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository) }}
     runs-on: macos-latest
-    env:
-      # Disable output buffering in an attempt to get readable errors
-      PYTHONUNBUFFERED: '1'
+    strategy:
+      matrix:
+        target: [x86_64, aarch64]
+      fail-fast: false
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: 'true'
-      
-      - name: Python environment
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.12'
 
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: aarch64-apple-darwin, x86_64-apple-darwin
-      
-      - name: Build
+      - name: Update pyproject.toml version
+        if: ${{ startsWith(github.ref, 'refs/tags/') }}
         shell: bash
-        env:
-          DEVELOPER_DIR: /Applications/Xcode.app/Contents/Developer
-          MACOSX_DEPLOYMENT_TARGET: '10.9'
-          ARCHFLAGS: -arch x86_64 -arch arm64
-          PYO3_CROSS_LIB_DIR: /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.9/lib
         run: |
-          pip install -r requirements.txt
-          python setup.py bdist_wheel --py-limited-api=cp37
-          pip install --force-reinstall dist/*_universal2.whl
-          python -c "import icicle"
-      
-      - name: Test
-        run: |
-          pip install -r tests/requirements.txt
-          python tests/example.py
-          python tests/invalid.py
-    
+          # Extract version from tag (strip 'v' prefix if present)
+          VERSION=${GITHUB_REF#refs/tags/}
+          VERSION=${VERSION#v}
+          echo "Extracted version: $VERSION"
+          
+          # Update version in pyproject.toml (works on both GNU and BSD sed)
+          sed -i.bak "s/^version = .*/version = \"$VERSION\"/" pyproject.toml
+          rm pyproject.toml.bak
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
+        with:
+          version: "0.9.3"
+
+      - name: Set up Python
+        run: uv python install --default
+
+      - name: Run Rust tests
+        if: matrix.target == 'aarch64'
+        run: cargo run --release
+
+      - name: Build wheels
+        uses: PyO3/maturin-action@v1
+        with:
+          target: ${{ matrix.target }}
+          args: --release --out dist --find-interpreter
+
+      - name: Run Python tests
+        if: matrix.target == 'aarch64'
+        run: uv run pytest
+
       - name: Upload wheels
         uses: actions/upload-artifact@v4
         with:
-          name: wheels-macos
+          name: wheels-macos-${{ matrix.target }}
           path: dist
 
-  linux:
+  sdist:
     # Skip building pull requests from the same repository
     if: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository) }}
-    runs-on: ubuntu-24.04
-    container: quay.io/pypa/manylinux_2_28_x86_64
-    env:
-      # Disable output buffering in an attempt to get readable errors
-      PYTHONUNBUFFERED: '1'
+    runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: 'true'
-      
-      - name: Build
+
+      - name: Update pyproject.toml version
+        if: ${{ startsWith(github.ref, 'refs/tags/') }}
         shell: bash
         run: |
-          curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain stable -y && yum install -y openssl-devel
-          export PATH="$PATH:$HOME/.cargo/bin"
-          export PATH="/opt/python/cp38-cp38/bin:$PATH"
-          pip install -r requirements.txt
-          python setup.py bdist_wheel --py-limited-api=cp37 --plat-name manylinux_2_28_x86_64
-          auditwheel show dist/*.whl
-          pip install --force-reinstall dist/*.whl
-          python -c "import icicle"
-      
-      - name: Test
-        run: |
-          export PATH="/opt/python/cp38-cp38/bin:$PATH"
-          pip install -r tests/requirements.txt
-          python tests/example.py
-          python tests/invalid.py
-    
-      - name: Upload wheels
+          # Extract version from tag (strip 'v' prefix if present)
+          VERSION=${GITHUB_REF#refs/tags/}
+          VERSION=${VERSION#v}
+          echo "Extracted version: $VERSION"
+          
+          # Update version in pyproject.toml (works on both GNU and BSD sed)
+          sed -i.bak "s/^version = .*/version = \"$VERSION\"/" pyproject.toml
+          rm pyproject.toml.bak
+
+      - name: Build sdist
+        uses: PyO3/maturin-action@v1
+        with:
+          command: sdist
+          args: --out dist
+
+      - name: Upload sdist
         uses: actions/upload-artifact@v4
         with:
-          name: wheels-linux
+          name: wheels-sdist
           path: dist
 
   release:
     if: ${{ startsWith(github.ref, 'refs/tags/') }}
-    runs-on: ubuntu-24.04
-    needs: [windows, macos, linux]
+    runs-on: ubuntu-latest
+    needs: [linux, windows, macos, sdist]
     permissions:
       contents: write
       discussions: write
       id-token: write
     steps:
       - name: Download wheels
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: wheels-*
           merge-multiple: true
           path: dist
 
       - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@67339c736fd9354cd4f8cb0b744f2b82a74b5c70 # v1.12.13
+        uses: PyO3/maturin-action@v1
+        with:
+          command: upload
+          args: --non-interactive --skip-existing dist/*
 
       - name: Release
-        uses: softprops/action-gh-release@e7a8f85e1c67a31e6ed99a94b41bd0b71bbee6b8 # v2.0.9
+        uses: softprops/action-gh-release@6da8fa9354ddfdc4aeace5fc48d7f679b5214090 # v2.4.1
         with:
           generate_release_notes: true
           files: dist/*