diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 8000858..e30b827 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -11,7 +11,7 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: reviewdog/action-shellcheck@v1
         with:
           github_token: ${{ secrets.github_token }}
@@ -25,7 +25,16 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: reviewdog/action-actionlint@v1
         with:
           reporter: github-pr-review
+
+  markdownlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: markdownlint
+        uses: reviewdog/action-markdownlint@v0
+        with:
+          reporter: github-pr-review