diff --git a/.github/workflows/ci-cd-fixed.yml b/.github/workflows/ci-cd-fixed.yml
index b08e316..e2e0402 100644
--- a/.github/workflows/ci-cd-fixed.yml
+++ b/.github/workflows/ci-cd-fixed.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.inputs.skip_tests != 'true'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.inputs.skip_tests != 'true'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.inputs.force_deploy == 'true'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index a14a694..6d8542e 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -42,7 +42,7 @@ jobs:
     env:
       CI: "true"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -64,7 +64,7 @@ jobs:
   security:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -104,7 +104,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'workflow_dispatch' && github.event.inputs.deploy_to_aws == 'true'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: aws-actions/configure-aws-credentials@v5
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 43ea03e..8590bfb 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4
diff --git a/.github/workflows/docker-security.yml b/.github/workflows/docker-security.yml
index 810efbd..8743572 100644
--- a/.github/workflows/docker-security.yml
+++ b/.github/workflows/docker-security.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run Trivy vulnerability scanner (fs)
         uses: aquasecurity/trivy-action@0.20.0