diff --git a/.github/workflows/10_build-validation.yml b/.github/workflows/10_build-validation.yml
index bd51488..5686264 100644
--- a/.github/workflows/10_build-validation.yml
+++ b/.github/workflows/10_build-validation.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - uses: actions/setup-java@v4
       with:
diff --git a/.github/workflows/20_snapshot-deployment.yml b/.github/workflows/20_snapshot-deployment.yml
index ebcdd6b..0dd13d6 100644
--- a/.github/workflows/20_snapshot-deployment.yml
+++ b/.github/workflows/20_snapshot-deployment.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - uses: actions/setup-java@v4
       with:
diff --git a/.github/workflows/30_release-deployment.yml b/.github/workflows/30_release-deployment.yml
index c140f65..f6f75c3 100644
--- a/.github/workflows/30_release-deployment.yml
+++ b/.github/workflows/30_release-deployment.yml
@@ -26,7 +26,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - uses: actions/setup-java@v4
       with:
diff --git a/.github/workflows/40_product-validation.yml b/.github/workflows/40_product-validation.yml
index fd39783..464cc82 100644
--- a/.github/workflows/40_product-validation.yml
+++ b/.github/workflows/40_product-validation.yml
@@ -37,7 +37,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - uses: actions/setup-java@v4
       with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index bec2772..ea9fb13 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - uses: actions/setup-java@v4
         with:
diff --git a/.github/workflows/jekyll-gh-pages.yml b/.github/workflows/jekyll-gh-pages.yml
index b9f9ed8..c8dd1cd 100644
--- a/.github/workflows/jekyll-gh-pages.yml
+++ b/.github/workflows/jekyll-gh-pages.yml
@@ -34,7 +34,7 @@ jobs:
     if: ${{ github.event_name != 'workflow_run' || github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Inject source revision for docs
         run: 'echo "source_revision: ${GITHUB_SHA}" >> _doc/_config.yml'
       - name: Setup Pages