diff --git a/.github/workflows/test_on_pr.yml b/.github/workflows/test_on_pr.yml
index cf80d009e9..915d3969f9 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@2a18b06812b0e15bb916e1df298d3e740422c47e
         with:
           ruby-version: "${{env.RUBY_VERSION}}"