diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 2ee1817..375595c 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@ff740bc00a01b3a50fffc55a1071b1060eeae9dc # v1.180.0
+        uses: ruby/setup-ruby@3783f195e29b74ae398d7caca108814bbafde90e # v1.180.1
         with:
           ruby-version: '3.1'
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically