diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..ec077e0
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,23 @@
+name: linting
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize, reopened]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+
+      - name: Install dependencies
+        run: npm i
+
+      - name: Lint
+        run: npm run -s lint -- --format=./eslint-gh-annotations-formatter.mjs --quiet
diff --git a/eslint-gh-annotations-formatter.mjs b/eslint-gh-annotations-formatter.mjs
new file mode 100644
index 0000000..c55a357
--- /dev/null
+++ b/eslint-gh-annotations-formatter.mjs
@@ -0,0 +1,10 @@
+export default function (results) {
+  return results
+    .flatMap(({ filePath, messages }) =>
+      messages.map(
+        ({ message, line, column }) =>
+          `::error file=${filePath},line=${line},col=${column}::${message}`,
+      ),
+    )
+    .join("\n");
+}