diff --git a/.github/workflows/lint-markdown.yaml b/.github/workflows/lint-markdown.yaml
index 295e450..8037d53 100644
--- a/.github/workflows/lint-markdown.yaml
+++ b/.github/workflows/lint-markdown.yaml
@@ -37,7 +37,7 @@ jobs:
 
       - name: Set up Ruby
         # See https://github.com/ruby/setup-ruby#versioning
-        uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb  # v1.276.0
+        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771  # v1.278.0
         with:
           ruby-version: 3.0