diff --git a/.github/workflows/cloudflare-preview.yml b/.github/workflows/cloudflare-preview.yml
index 2584ad7d30..ffd7281a07 100644
--- a/.github/workflows/cloudflare-preview.yml
+++ b/.github/workflows/cloudflare-preview.yml
@@ -19,7 +19,7 @@ jobs:
           ref: ${{ github.event.client_payload.pr_head_sha }}
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
         with:
           ruby-version: '3.4'
           bundler-cache: true
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 2e8ecf196d..2841670659 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Setup Ruby
-        uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
         with:
           ruby-version: '3.2'
           bundler-cache: true
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a375f12370..5a6346f86d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -21,7 +21,7 @@ jobs:
     - if: ${{ matrix.os == 'ubuntu-latest' }}
       run: sudo apt install libyaml-dev
     - name: Set up Ruby
-      uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+      uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
       with:
         ruby-version: 3.3
         bundler-cache: true
diff --git a/.github/workflows/push_gem.yml b/.github/workflows/push_gem.yml
index c1e9f8322c..1da1ebfae4 100644
--- a/.github/workflows/push_gem.yml
+++ b/.github/workflows/push_gem.yml
@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
         with:
           bundler-cache: true
           ruby-version: ruby
diff --git a/.github/workflows/ruby-core.yml b/.github/workflows/ruby-core.yml
index d5bb3fb88e..8e5a8ac988 100644
--- a/.github/workflows/ruby-core.yml
+++ b/.github/workflows/ruby-core.yml
@@ -22,7 +22,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Set up latest ruby head
-        uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
         with:
           ruby-version: head
           bundler: none
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a44819f1f5..e6eed986e6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,7 +46,7 @@ jobs:
     - if: ${{ matrix.os == 'ubuntu-latest' }}
       run: sudo apt install libyaml-dev
     - name: Set up Ruby
-      uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+      uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true # 'bundle install' and cache