diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index d966956..f1035ca 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -20,7 +20,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Download actionlint
         run: |
@@ -35,7 +35,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Set up Python
         uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
diff --git a/.github/workflows/test-build-authkey.yaml b/.github/workflows/test-build-authkey.yaml
index 97868b4..d15c2c4 100644
--- a/.github/workflows/test-build-authkey.yaml
+++ b/.github/workflows/test-build-authkey.yaml
@@ -52,7 +52,7 @@ jobs:
       has-changes: ${{ steps.check.outputs.has-changes }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Check for changes
         uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # ========================================
       # Step 1: Setup Bastion with Legacy Auth Key
diff --git a/.github/workflows/test-build-floating-ip.yaml b/.github/workflows/test-build-floating-ip.yaml
index 5aeaef7..7789214 100644
--- a/.github/workflows/test-build-floating-ip.yaml
+++ b/.github/workflows/test-build-floating-ip.yaml
@@ -45,12 +45,12 @@ jobs:
 
     steps:
       - name: Checkout packer-build-action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           path: action-repo
 
       - name: Checkout test repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: lfit/releng-common-packer
           ref: master
diff --git a/.github/workflows/test-build-minimal.yaml b/.github/workflows/test-build-minimal.yaml
index 095f657..09c2cb9 100644
--- a/.github/workflows/test-build-minimal.yaml
+++ b/.github/workflows/test-build-minimal.yaml
@@ -52,7 +52,7 @@ jobs:
       has-changes: ${{ steps.check.outputs.has-changes }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Check for changes
         uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # ========================================
       # Step 1: Setup Bastion Host
diff --git a/.github/workflows/test-build-oauth-reusable.yaml b/.github/workflows/test-build-oauth-reusable.yaml
index 238c324..c49fa01 100644
--- a/.github/workflows/test-build-oauth-reusable.yaml
+++ b/.github/workflows/test-build-oauth-reusable.yaml
@@ -63,7 +63,7 @@ jobs:
       has-changes: ${{ steps.check.outputs.has-changes }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Check for changes
         uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3
@@ -87,7 +87,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # ========================================
       # Step 1: Setup Bastion with OAuth Reusable Keys
diff --git a/.github/workflows/test-build.yaml b/.github/workflows/test-build.yaml
index c44d454..2803313 100644
--- a/.github/workflows/test-build.yaml
+++ b/.github/workflows/test-build.yaml
@@ -46,12 +46,12 @@ jobs:
 
     steps:
       - name: Checkout packer-build-action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           path: action-repo
 
       - name: Checkout test repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: lfit/releng-common-packer
           path: target-repo
diff --git a/.github/workflows/test-python.yaml b/.github/workflows/test-python.yaml
index 053d95d..0d0ee8b 100644
--- a/.github/workflows/test-python.yaml
+++ b/.github/workflows/test-python.yaml
@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
diff --git a/.github/workflows/test-validate.yaml b/.github/workflows/test-validate.yaml
index 240e09d..f3b6b6d 100644
--- a/.github/workflows/test-validate.yaml
+++ b/.github/workflows/test-validate.yaml
@@ -25,12 +25,12 @@ jobs:
 
     steps:
       - name: Checkout packer-build-action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           path: action-repo
 
       - name: Checkout test repository with Packer templates
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: lfit/releng-common-packer
           path: target-repo