diff --git a/.github/workflows/test_on_pr.yml b/.github/workflows/test_on_pr.yml
index 1fccf19a49..8eb1e9a4ca 100644
--- a/.github/workflows/test_on_pr.yml
+++ b/.github/workflows/test_on_pr.yml
@@ -68,7 +68,7 @@ jobs:
         run: pip install --user yamllint
 
       - name: Install Ruby
-        uses: ruby/setup-ruby@5cfe23c062c0aac352e765b1b7cc12ea5255ccc4
+        uses: ruby/setup-ruby@a05e47355e80e57b9a67566a813648fa67d92011
         with:
           ruby-version: "${{env.RUBY_VERSION}}"