diff --git a/.github/disabled-workflows/danger.yml b/.github/disabled-workflows/danger.yml
index c018d38e..baa9c8cd 100644
--- a/.github/disabled-workflows/danger.yml
+++ b/.github/disabled-workflows/danger.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup Ruby & Bundle
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/ancient.yml b/.github/workflows/ancient.yml
index 1908cc82..547dcea3 100644
--- a/.github/workflows/ancient.yml
+++ b/.github/workflows/ancient.yml
@@ -64,7 +64,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/caboose.yml b/.github/workflows/caboose.yml
index 99f2e8de..cd2eb67b 100644
--- a/.github/workflows/caboose.yml
+++ b/.github/workflows/caboose.yml
@@ -88,7 +88,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 85f70d86..64891ed7 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -58,7 +58,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: "${{ matrix.ruby }}"
           rubygems: "${{ matrix.rubygems }}"
diff --git a/.github/workflows/current.yml b/.github/workflows/current.yml
index 8a60c855..e6933950 100644
--- a/.github/workflows/current.yml
+++ b/.github/workflows/current.yml
@@ -68,7 +68,7 @@ jobs:
 
       - name: Setup Ruby & RubyGems
         if: ${{ (env.ACT && !(startsWith(matrix.ruby, 'jruby')) || startsWith(matrix.ruby, 'truffleruby')) || (!env.ACT && (startsWith(matrix.ruby, 'jruby')) || startsWith(matrix.ruby, 'truffleruby')) }}
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/dep-heads.yml b/.github/workflows/dep-heads.yml
index d912f619..2c534edc 100644
--- a/.github/workflows/dep-heads.yml
+++ b/.github/workflows/dep-heads.yml
@@ -70,7 +70,7 @@ jobs:
 
       - name: Setup Ruby & RubyGems
         if: ${{ (env.ACT && !(startsWith(matrix.ruby, 'jruby')) || startsWith(matrix.ruby, 'truffleruby')) || (!env.ACT && (startsWith(matrix.ruby, 'jruby')) || startsWith(matrix.ruby, 'truffleruby')) }}
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/heads.yml b/.github/workflows/heads.yml
index dcf72ff4..bfb44e4e 100644
--- a/.github/workflows/heads.yml
+++ b/.github/workflows/heads.yml
@@ -69,7 +69,7 @@ jobs:
 
       - name: Setup Ruby & RubyGems
         if: ${{ (env.ACT && !(startsWith(matrix.ruby, 'jruby')) || startsWith(matrix.ruby, 'truffleruby')) || (!env.ACT && (startsWith(matrix.ruby, 'jruby')) || startsWith(matrix.ruby, 'truffleruby')) }}
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/jruby.yml b/.github/workflows/jruby.yml
index 3ff8d8cf..38bc8e30 100644
--- a/.github/workflows/jruby.yml
+++ b/.github/workflows/jruby.yml
@@ -51,7 +51,7 @@ jobs:
 
       - name: Setup Ruby & RubyGems
         if: ${{ !env.ACT }}
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/legacy.yml b/.github/workflows/legacy.yml
index 9fe3c7cb..8d169d02 100644
--- a/.github/workflows/legacy.yml
+++ b/.github/workflows/legacy.yml
@@ -58,7 +58,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/locked_deps.yml b/.github/workflows/locked_deps.yml
index 4ab95565..3f47de48 100644
--- a/.github/workflows/locked_deps.yml
+++ b/.github/workflows/locked_deps.yml
@@ -74,7 +74,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 88db682f..9939e5bd 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -68,7 +68,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/opencollective.yml b/.github/workflows/opencollective.yml
index afe7453b..22d3509e 100644
--- a/.github/workflows/opencollective.yml
+++ b/.github/workflows/opencollective.yml
@@ -17,7 +17,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ruby
           rubygems: default
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index b00e227b..14ac3929 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -47,7 +47,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/supported.yml b/.github/workflows/supported.yml
index 7937fb11..de487760 100644
--- a/.github/workflows/supported.yml
+++ b/.github/workflows/supported.yml
@@ -57,7 +57,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/unlocked_deps.yml b/.github/workflows/unlocked_deps.yml
index e800cd12..baf5085b 100644
--- a/.github/workflows/unlocked_deps.yml
+++ b/.github/workflows/unlocked_deps.yml
@@ -66,7 +66,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/unsupported.yml b/.github/workflows/unsupported.yml
index 4c938cba..35d3be73 100644
--- a/.github/workflows/unsupported.yml
+++ b/.github/workflows/unsupported.yml
@@ -58,7 +58,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index cd1bdc14..67626112 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -50,7 +50,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1.288.0
         with:
           ruby-version: ${{ matrix.ruby }}
           rubygems: ${{ matrix.rubygems }}