diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 99ff30c..2880523 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@8e41b362d2589a22a44c1cfa214b3c83052c195b # pin@v1.318.0
+      - 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 ebd1b25..516de00 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@8e41b362d2589a22a44c1cfa214b3c83052c195b # pin@v1.318.0
+      - 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 0f414ee..0d0cbcf 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v7
 
-      - uses: ruby/setup-ruby@8e41b362d2589a22a44c1cfa214b3c83052c195b # pin@v1.318.0
+      - 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 e26d5ba..2b0e653 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v7
 
-      - uses: ruby/setup-ruby@8e41b362d2589a22a44c1cfa214b3c83052c195b # pin@v1.318.0
+      - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # pin@v1.321.0
         with:
           bundler-cache: true
           ruby-version: ${{ matrix.ruby }}