diff --git a/.github/workflows/workflow-synchronization.yaml b/.github/workflows/workflow-synchronization.yaml
index c05c8d8..28e229f 100644
--- a/.github/workflows/workflow-synchronization.yaml
+++ b/.github/workflows/workflow-synchronization.yaml
@@ -114,7 +114,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Synchronize files
         uses: varunsridharan/action-github-workflow-sync@3.4
diff --git a/sync-root/.github/workflows/label-synchronization.yaml b/sync-root/.github/workflows/label-synchronization.yaml
index 0081d84..943846b 100644
--- a/sync-root/.github/workflows/label-synchronization.yaml
+++ b/sync-root/.github/workflows/label-synchronization.yaml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Synchronize labels
         uses: crazy-max/ghaction-github-labeler@v5
diff --git a/sync-root/.github/workflows/terraform-validation.yaml b/sync-root/.github/workflows/terraform-validation.yaml
index 0860ca5..11c3f4f 100644
--- a/sync-root/.github/workflows/terraform-validation.yaml
+++ b/sync-root/.github/workflows/terraform-validation.yaml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Terraform
         uses: hashicorp/setup-terraform@v3
@@ -130,7 +130,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.ref }}
 
@@ -151,7 +151,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.ref }}
 
@@ -172,7 +172,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run Checkov
         uses: bridgecrewio/checkov-action@v12
diff --git a/sync-root/.github/workflows/update-changelog.yaml b/sync-root/.github/workflows/update-changelog.yaml
index ac44e7b..2b948c3 100644
--- a/sync-root/.github/workflows/update-changelog.yaml
+++ b/sync-root/.github/workflows/update-changelog.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           token: ${{ secrets.MCAF_GITHUB_TOKEN }}