diff --git a/.github/workflows/ci-markdown.yml b/.github/workflows/ci-markdown.yml
index 74b96e82ba..743d52fd0a 100644
--- a/.github/workflows/ci-markdown.yml
+++ b/.github/workflows/ci-markdown.yml
@@ -33,7 +33,7 @@ jobs:
           fetch-depth: 10
 
       - name: Run markdownlint
-        uses: DavidAnson/markdownlint-cli2-action@05f32210e84442804257b2a6f20b273450ec8265 # v19.1.0
+        uses: DavidAnson/markdownlint-cli2-action@992badcdf24e3b8eb7e87ff9287fe931bcb00c6e # v20.0.0
         with:
           globs: |
             lib/elixir/pages/**/*.md