diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..080ec11
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,24 @@
+name: ci
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+jobs:
+  ci:
+    strategy:
+      fail-fast: false  # https://github.com/actions/runner-images#available-images
+      matrix:  # https://www.lua.org/versions.html
+        lua-version: [5.1, 5.2, 5.3, 5.4, 5.5]
+    runs-on: ubuntu-26.04
+    steps:
+      - run: sudo apt-get update
+      - run: sudo apt-get install -y lua${{ matrix.lua-version }} liblua${{ matrix.lua-version }}-dev luarocks
+      - run: lua -h || lua -v
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
+        with:
+          python-version: 3.x
+      - run: pip install --upgrade pip
+      - run: luarocks install --local lunatic-python
+      - run: pip install --editable .
+      - run: python -m doctest tests/test_lua.py