diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..0c9468e
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,19 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  lint:
+    runs-on: local-ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Lint Markdown
+        uses: DavidAnson/markdownlint-cli2-action@v16
+        with:
+          globs: '**/*.md'