diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 79e1ac6..34e2afb 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -41,6 +41,6 @@ jobs:
         with:
           fetch-depth: 0
       - name: "Check Markdown documents"
-        uses: DavidAnson/markdownlint-cli2-action@db43aef879112c3119a410d69f66701e0d530809 # v17.0.0
+        uses: DavidAnson/markdownlint-cli2-action@eb5ca3ab411449c66620fe7f1b3c9e10547144b0 # v18.0.0
         with:
           globs: '**/*.md'