diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 183050e..669b9b7 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@efbf473cab83af4468e8606cc33eca9281bb213f # pin@v1.256.0
+      - uses: ruby/setup-ruby@6797dcbb9a1889fd411d07e8aba7eded53fb8b48 # pin@v1.264.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 6ec9274..b4ea42e 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@efbf473cab83af4468e8606cc33eca9281bb213f # pin@v1.256.0
+      - uses: ruby/setup-ruby@6797dcbb9a1889fd411d07e8aba7eded53fb8b48 # pin@v1.264.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cdcde57..f4e0ceb 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@efbf473cab83af4468e8606cc33eca9281bb213f # pin@v1.256.0
+      - uses: ruby/setup-ruby@6797dcbb9a1889fd411d07e8aba7eded53fb8b48 # pin@v1.264.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ccb4556..c46a58e 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@efbf473cab83af4468e8606cc33eca9281bb213f # pin@v1.256.0
+      - uses: ruby/setup-ruby@6797dcbb9a1889fd411d07e8aba7eded53fb8b48 # pin@v1.264.0
         with:
           bundler-cache: true