diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index cfa4308..a14054d 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -26,7 +26,7 @@ jobs:
     name: Ruby ${{ matrix.ruby }} unit testing on ${{ matrix.os }}
     steps:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-    - uses: ruby/setup-ruby@0dafeac902942906541bc140009cdbf32665b601 # v1.315.0
+    - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
       with:
         ruby-version: ${{ matrix.ruby }}
         rubygems: latest
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 48c7eb1..470c917 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -26,7 +26,7 @@ jobs:
     name: Ruby ${{ matrix.ruby }} unit testing on ${{ matrix.os }}
     steps:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-    - uses: ruby/setup-ruby@0dafeac902942906541bc140009cdbf32665b601 # v1.315.0
+    - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
       with:
         ruby-version: ${{ matrix.ruby }}
         rubygems: latest