diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d9ba71..305964a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,8 +21,11 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
       - name: Run tests
-        run: python -m unittest discover tests
+        run: python -m pytest tests/
 
       - name: Lint schemas
         run: python tools/schema_linter.py