diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..4d4aed3
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,17 @@
+name: lint
+
+on:
+  pull_request:
+  workflow_dispatch: ~
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: DavidAnson/markdownlint-cli2-action@v19
+        with:
+          config: ".markdownlint-cli2.jsonc"
+          globs: "**/*.md"
diff --git a/.markdownlint.json b/.markdownlint-cli2.jsonc
similarity index 78%
rename from .markdownlint.json
rename to .markdownlint-cli2.jsonc
index 248f3d3..7b8333b 100644
--- a/.markdownlint.json
+++ b/.markdownlint-cli2.jsonc
@@ -1,5 +1,4 @@
 {
-  "default": true,
   "MD012": false,
   "MD013": false,
   "MD031": false,
@@ -7,5 +6,5 @@
   "MD040": false,
   "MD043": false,
   "MD047": false,
-  "MD009": false
+  "MD009": false,
 }