diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..1bc2f4d
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,19 @@
+name: Lint Markdown
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install markdownlint
+        run: npm install -g markdownlint-cli
+
+      - name: Run markdownlint
+        run: markdownlint '**/*.md' --ignore node_modules