diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..222d55b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,19 @@
+name: test
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - run: |
+         cd maxdiff
+         python3 tests/test.py
+      - run: pip install --upgrade pip wheel
+      - run: pip install pytest
+      - run: pytest maxdiff/tests/test.py