diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..542f1ca
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,34 @@
+name: Tests
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.14'
+    
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pyspark pandas pyarrow numpy py4j pytest coverage
+    
+    - name: Run tests with coverage
+      run: |
+        coverage run -m pytest tests/ -v
+        coverage report
+        coverage xml
+    
+    - name: Upload coverage report
+      uses: actions/upload-artifact@v4
+      with:
+        name: coverage-report
+        path: |
+          coverage.xml
+          .coverage