diff --git a/.github/workflows/python-ci.yaml b/.github/workflows/python-ci.yaml
index 0c64536..9bedb68 100644
--- a/.github/workflows/python-ci.yaml
+++ b/.github/workflows/python-ci.yaml
@@ -11,7 +11,7 @@ permissions:
   id-token: write
 
 jobs:
-  lint-test:
+  lint:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
@@ -45,17 +45,72 @@ jobs:
       - name: Run mypy
         run: uv run mypy --strict src/ tests/
 
-      - name: Run tests
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
+        with:
+          enable-cache: true
+          resolution-strategy: "lowest"
+
+      - name: Setup Python
+        uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Sync dependencies
+        run: uv sync --group dev --group tests
+
+      - name: Run tests with coverage
         run: uv run python -m coverage run -m pytest -v --junitxml=junit.xml
 
       - name: Create coverage report
-        run: uv run coverage xml
+        run: uv run coverage xml -o coverage.xml
 
-      - name: Upload coverage reports to Codecov
+      - name: Upload coverage reports
+        if: ${{ !cancelled() }}
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        with:
+          name: coverage-py${{ matrix.python-version }}
+          path: |
+            coverage.xml
+            junit.xml
+          if-no-files-found: error
+
+  codecov:
+    runs-on: ubuntu-latest
+    needs: [test]
+    if: ${{ always() }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
+
+      - name: Download coverage reports
+        if: ${{ !cancelled() }}
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        with:
+          name: coverage-py3.14
+          path: coverage
+
+      - name: Upload coverage to Codecov
+        if: ${{ !cancelled() }}
         uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5.5.2
         with:
           report_type: coverage
           use_oidc: true
+          files: coverage/coverage.xml
 
       - name: Upload test results to Codecov
         if: ${{ !cancelled() }}
@@ -63,3 +118,4 @@ jobs:
         with:
           report_type: test_results
           use_oidc: true
+          files: coverage/junit.xml