diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a03c20f2..26a92b92 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@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 5b5976d3..804bfa10 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -57,7 +57,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/current-runtime-heads.yml b/.github/workflows/current-runtime-heads.yml
index c4b19165..32602e16 100644
--- a/.github/workflows/current-runtime-heads.yml
+++ b/.github/workflows/current-runtime-heads.yml
@@ -66,7 +66,7 @@ jobs:
     steps:
       - name: Checkout
         if: ${{ !env.ACT || !startsWith(matrix.ruby, 'jruby') }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         if: ${{ !env.ACT || !startsWith(matrix.ruby, 'jruby') }}
diff --git a/.github/workflows/current.yml b/.github/workflows/current.yml
index 45dc5e0e..bedd4ba7 100644
--- a/.github/workflows/current.yml
+++ b/.github/workflows/current.yml
@@ -64,7 +64,7 @@ jobs:
     steps:
       - name: Checkout
         if: ${{ !env.ACT || !startsWith(matrix.ruby, 'jruby') }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         if: ${{ !env.ACT || !startsWith(matrix.ruby, 'jruby') }}
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 046e9c88..3ea91b44 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@v5
+        uses: actions/checkout@v6
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/heads.yml b/.github/workflows/heads.yml
index 7808cf11..e650e949 100644
--- a/.github/workflows/heads.yml
+++ b/.github/workflows/heads.yml
@@ -65,7 +65,7 @@ jobs:
     steps:
       - name: Checkout
         if: ${{ !env.ACT || !startsWith(matrix.ruby, 'jruby') }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         if: ${{ !env.ACT || !startsWith(matrix.ruby, 'jruby') }}
diff --git a/.github/workflows/jruby.yml b/.github/workflows/jruby.yml
index d16768d6..5d464871 100644
--- a/.github/workflows/jruby.yml
+++ b/.github/workflows/jruby.yml
@@ -47,7 +47,7 @@ jobs:
     steps:
       - name: Checkout
         if: ${{ !env.ACT || !startsWith(matrix.ruby, 'jruby') }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         if: ${{ !env.ACT || !startsWith(matrix.ruby, 'jruby') }}
diff --git a/.github/workflows/legacy.yml b/.github/workflows/legacy.yml
index b478b4d6..dee0a8d6 100644
--- a/.github/workflows/legacy.yml
+++ b/.github/workflows/legacy.yml
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 559d103a..e8934019 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -44,7 +44,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/supported.yml b/.github/workflows/supported.yml
index 553fb6a2..1f45db67 100644
--- a/.github/workflows/supported.yml
+++ b/.github/workflows/supported.yml
@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/unsupported.yml b/.github/workflows/unsupported.yml
index b1907741..2c683e33 100644
--- a/.github/workflows/unsupported.yml
+++ b/.github/workflows/unsupported.yml
@@ -59,7 +59,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1