diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index df3976bb..3ca47183 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v7
 
-      - uses: ruby/setup-ruby@a30dfa457ad68707b8b910ac3a244714b61c0626 # pin@v1.320.0
+      - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # pin@v1.321.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index e594b137..26b4796f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -18,7 +18,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v7
 
-      - uses: ruby/setup-ruby@a30dfa457ad68707b8b910ac3a244714b61c0626 # pin@v1.320.0
+      - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # pin@v1.321.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 782676a5..ff258c57 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v7
 
-      - uses: ruby/setup-ruby@a30dfa457ad68707b8b910ac3a244714b61c0626 # pin@v1.320.0
+      - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # pin@v1.321.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b446d7e5..8629b372 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Update .ruby-version with matrix value
         run: echo "${{ matrix.ruby_version }}" >| .ruby-version
 
-      - uses: ruby/setup-ruby@a30dfa457ad68707b8b910ac3a244714b61c0626 # pin@v1.320.0
+      - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # pin@v1.321.0
         with:
           bundler-cache: true