diff --git a/ci/ruby.yml b/ci/ruby.yml
index 256aa14..81ea363 100644
--- a/ci/ruby.yml
+++ b/ci/ruby.yml
@@ -30,7 +30,7 @@ jobs:
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
     # change this to (see https://github.com/ruby/setup-ruby#versioning):
     # uses: ruby/setup-ruby@v1
-      uses: ruby/setup-ruby@473e4d8fe5dd94ee328fdfca9f8c9c7afc9dae5e
+      uses: ruby/setup-ruby@2b019609e2b0f1ea1a2bc8ca11cb82ab46ada124
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically