diff --git a/.github/workflows/deploy-doc.yml b/.github/workflows/deploy-doc.yml
index 0335cecc..aad2d449 100644
--- a/.github/workflows/deploy-doc.yml
+++ b/.github/workflows/deploy-doc.yml
@@ -17,7 +17,7 @@ jobs:
       issues: write
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4 # v1.255.0
+      - uses: ruby/setup-ruby@efbf473cab83af4468e8606cc33eca9281bb213f # v1.256.0
         with:
           ruby-version: '3.4'
       - run: bundle install
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index f8b4dd07..8c93dc8c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4 # v1.255.0
+      - uses: ruby/setup-ruby@efbf473cab83af4468e8606cc33eca9281bb213f # v1.256.0
         with:
           bundler-cache: true
           ruby-version: 3.3
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index d4729006..0f50fa97 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -23,7 +23,7 @@ jobs:
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       with:
         submodules: true
-    - uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4 # v1.255.0
+    - uses: ruby/setup-ruby@efbf473cab83af4468e8606cc33eca9281bb213f # v1.256.0
       with:
         ruby-version: ${{ matrix.ruby }}
     - uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1