diff --git a/.github/workflows/lint-unit.yml b/.github/workflows/lint-unit.yml
index db297b1..3f2322a 100644
--- a/.github/workflows/lint-unit.yml
+++ b/.github/workflows/lint-unit.yml
@@ -69,7 +69,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Markdown lint
-        uses: DavidAnson/markdownlint-cli2-action@v20
+        uses: DavidAnson/markdownlint-cli2-action@v22
         with:
           globs: "**/*.md"