diff --git a/.github/workflows/acceptance-tests-on-emulator.yaml b/.github/workflows/acceptance-tests-on-emulator.yaml
index 97423e55..fc036b98 100644
--- a/.github/workflows/acceptance-tests-on-emulator.yaml
+++ b/.github/workflows/acceptance-tests-on-emulator.yaml
@@ -33,7 +33,7 @@ jobs:
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Ruby
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby
     # (see https://github.com/ruby/setup-ruby#versioning):
diff --git a/.github/workflows/acceptance-tests-on-production.yaml b/.github/workflows/acceptance-tests-on-production.yaml
index 7cda0202..b7dbb890 100644
--- a/.github/workflows/acceptance-tests-on-production.yaml
+++ b/.github/workflows/acceptance-tests-on-production.yaml
@@ -26,7 +26,7 @@ jobs:
       matrix:
         ruby: [3.3]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Ruby
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby
     # (see https://github.com/ruby/setup-ruby#versioning):
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c18d859b..3ff6cd90 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -25,7 +25,7 @@ jobs:
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Ruby
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby
     # (see https://github.com/ruby/setup-ruby#versioning):
diff --git a/.github/workflows/nightly-acceptance-tests-on-emulator.yaml b/.github/workflows/nightly-acceptance-tests-on-emulator.yaml
index c27b43d5..08def666 100644
--- a/.github/workflows/nightly-acceptance-tests-on-emulator.yaml
+++ b/.github/workflows/nightly-acceptance-tests-on-emulator.yaml
@@ -33,7 +33,7 @@ jobs:
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/nightly-acceptance-tests-on-production.yaml b/.github/workflows/nightly-acceptance-tests-on-production.yaml
index e0cd3479..a5c2baa9 100644
--- a/.github/workflows/nightly-acceptance-tests-on-production.yaml
+++ b/.github/workflows/nightly-acceptance-tests-on-production.yaml
@@ -12,7 +12,7 @@ jobs:
       matrix:
         ruby: [3.3]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Ruby
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby
     # (see https://github.com/ruby/setup-ruby#versioning):
diff --git a/.github/workflows/nightly-unit-tests.yaml b/.github/workflows/nightly-unit-tests.yaml
index faf70c16..9d3d2e74 100644
--- a/.github/workflows/nightly-unit-tests.yaml
+++ b/.github/workflows/nightly-unit-tests.yaml
@@ -26,7 +26,7 @@ jobs:
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/rubocop.yaml b/.github/workflows/rubocop.yaml
index 9419a686..d217fd36 100644
--- a/.github/workflows/rubocop.yaml
+++ b/.github/workflows/rubocop.yaml
@@ -12,7 +12,7 @@ jobs:
     timeout-minutes: 10
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: setup ruby
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/samples.yaml b/.github/workflows/samples.yaml
index 9af5ebbb..ed12cf70 100644
--- a/.github/workflows/samples.yaml
+++ b/.github/workflows/samples.yaml
@@ -23,7 +23,7 @@ jobs:
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: