diff --git a/.github/workflows/ancient.yml b/.github/workflows/ancient.yml
index ad3d6c9..0b55147 100644
--- a/.github/workflows/ancient.yml
+++ b/.github/workflows/ancient.yml
@@ -36,7 +36,7 @@ jobs:
     continue-on-error: ${{ matrix.experimental || endsWith(matrix.ruby, 'head') }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 502c2a0..a03c20f 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index cc7d4cb..7ad6fec 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -56,7 +56,7 @@ jobs:
           cc_test_reporter_id: ${{ secrets.CC_TEST_REPORTER_ID }}
 
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 0d4a013..046e9c8 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -15,6 +15,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout Repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/heads.yml b/.github/workflows/heads.yml
index 150222b..acec9cc 100644
--- a/.github/workflows/heads.yml
+++ b/.github/workflows/heads.yml
@@ -50,7 +50,7 @@ jobs:
     continue-on-error: ${{ matrix.experimental || endsWith(matrix.ruby, 'head') }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 5ee257c..2741a9f 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -34,7 +34,7 @@ jobs:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/supported.yml b/.github/workflows/supported.yml
index cbcb6ed..8e37f44 100644
--- a/.github/workflows/supported.yml
+++ b/.github/workflows/supported.yml
@@ -46,7 +46,7 @@ jobs:
             gemfile: vanilla
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/unsupported.yml b/.github/workflows/unsupported.yml
index b2b7e48..07bb98e 100644
--- a/.github/workflows/unsupported.yml
+++ b/.github/workflows/unsupported.yml
@@ -39,7 +39,7 @@ jobs:
     continue-on-error: ${{ matrix.experimental || endsWith(matrix.ruby, 'head') }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
         with: