diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6dd39dc6..9faeb22a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,7 +48,7 @@ jobs:
         if: startsWith(matrix.os, 'ubuntu-')
         run: sudo apt-get install --no-install-recommends --assume-yes libyaml-dev
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@943103cae7d3f1bb1e4951d5fcc7928b40e4b742 # v1.177.1
+      - uses: ruby/setup-ruby@0cde4689ba33c09f1b890c1725572ad96751a3fc # v1.178.0
         with:
           ruby-version: ${{ matrix.ruby }}
           # Enabling is the recommended way, but it cannot detect runner changes in early stage.
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 82a955b8..044fa530 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@943103cae7d3f1bb1e4951d5fcc7928b40e4b742 # v1.177.1
+      - uses: ruby/setup-ruby@0cde4689ba33c09f1b890c1725572ad96751a3fc # v1.178.0
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake rubocop
diff --git a/.github/workflows/signature.yml b/.github/workflows/signature.yml
index 5a623aa2..a78f0d49 100644
--- a/.github/workflows/signature.yml
+++ b/.github/workflows/signature.yml
@@ -32,7 +32,7 @@ jobs:
     runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@943103cae7d3f1bb1e4951d5fcc7928b40e4b742 # v1.177.1
+      - uses: ruby/setup-ruby@0cde4689ba33c09f1b890c1725572ad96751a3fc # v1.178.0
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake rbs
@@ -41,7 +41,7 @@ jobs:
     runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@943103cae7d3f1bb1e4951d5fcc7928b40e4b742 # v1.177.1
+      - uses: ruby/setup-ruby@0cde4689ba33c09f1b890c1725572ad96751a3fc # v1.178.0
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake signature:validate_yard