diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 318e03b..90c9b0c 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -28,7 +28,7 @@ jobs:
         with:
           fetch-depth: 0 # need full history to get page last modified times
       - name: Setup Ruby
-        uses: ruby/setup-ruby@5311f05890856149502132d25c4a24985a00d426 # v1.153.0
+        uses: ruby/setup-ruby@52b8784594ec115fd17094752708121dc5dabb47 # v1.154.0
         with:
           ruby-version: '3.1'
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically