diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 266b5316..183050ef 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v5
 
-      - uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4 # pin@v1.255.0
+      - uses: ruby/setup-ruby@efbf473cab83af4468e8606cc33eca9281bb213f # pin@v1.256.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 589ec534..6ec9274f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -18,7 +18,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v5
 
-      - uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4 # pin@v1.255.0
+      - uses: ruby/setup-ruby@efbf473cab83af4468e8606cc33eca9281bb213f # pin@v1.256.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index abb02d1b..c8397a6e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v5
 
-      - uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4 # pin@v1.255.0
+      - uses: ruby/setup-ruby@efbf473cab83af4468e8606cc33eca9281bb213f # pin@v1.256.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a81ca5cb..ccb4556b 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@829114fc20da43a41d27359103ec7a63020954d4 # pin@v1.255.0
+      - uses: ruby/setup-ruby@efbf473cab83af4468e8606cc33eca9281bb213f # pin@v1.256.0
         with:
           bundler-cache: true