diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5f9c7b1..0374a1c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # pin@v1.187.0
+      - uses: ruby/setup-ruby@50ba3386b050ad5b97a41fcb81240cbee1d1821f # pin@v1.188.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/gem.yml b/.github/workflows/gem.yml
index 9c77ec0..0285853 100644
--- a/.github/workflows/gem.yml
+++ b/.github/workflows/gem.yml
@@ -20,7 +20,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # pin@v1.187.0
+      - uses: ruby/setup-ruby@50ba3386b050ad5b97a41fcb81240cbee1d1821f # pin@v1.188.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index abadc1e..c4d63c1 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -18,7 +18,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # pin@v1.187.0
+      - uses: ruby/setup-ruby@50ba3386b050ad5b97a41fcb81240cbee1d1821f # pin@v1.188.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 97b9041..64ec44b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # pin@v1.187.0
+      - uses: ruby/setup-ruby@50ba3386b050ad5b97a41fcb81240cbee1d1821f # pin@v1.188.0
         with:
           bundler-cache: true
           ruby-version: ${{ matrix.ruby }}