diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 814f97e..2f569cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: |
@@ -22,13 +26,15 @@ jobs:
           pip install -e '.[code_quality]'
 
       - name: Run tests
-        run: python -m pytest tests
+        run: python -m pytest tests/unit
 
       - name: Run linter
         run: python -m ruff check src tests
 
       - name: Check formatting
-        run: python -m black --check src tests && python -m isort --check src tests
+        run: |
+          python -m black --check src tests
+          python -m isort --check src tests
 
       - name: Check types
         run: python -m mypy src tests