diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..c033446
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,22 @@
+name: CI
+
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          path: cocogitto-action
+      - name: Initialise repository
+        run: |
+          git init
+          echo "# Mona Lisa" > README.md
+          git config --global user.name "Mona Lisa"
+          git config --global user.email "mona.lisa@example.com"
+          git add README.md
+          git commit -m "docs: add Mona Lisa docs"
+      - name: Run cocogitto-action
+        uses: ./cocogitto-action