diff --git a/.github/workflows/check-md-links.yml b/.github/workflows/check-md-links.yml
index 016aa167..45b54e97 100644
--- a/.github/workflows/check-md-links.yml
+++ b/.github/workflows/check-md-links.yml
@@ -7,7 +7,7 @@ jobs:
     name: 'Check Markdown links'
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: umbrelladocs/action-linkspector@v1.4.0
         with:
           github_token: ${{ secrets.github_token }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b61f5e8c..38f09c0e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     name: on ${{ matrix.platform }} with JDK ${{ matrix.jdk }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up JDK ${{ matrix.jdk }}
         uses: actions/setup-java@v5
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c8061253..ede17e8d 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -23,7 +23,7 @@ jobs:
         language: [ java ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Java
         uses: actions/setup-java@v5
diff --git a/.github/workflows/quality-monitor-build.yml b/.github/workflows/quality-monitor-build.yml
index 2d11c1b7..a799e60f 100644
--- a/.github/workflows/quality-monitor-build.yml
+++ b/.github/workflows/quality-monitor-build.yml
@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout PR
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
diff --git a/.github/workflows/quality-monitor-comment.yml b/.github/workflows/quality-monitor-comment.yml
index 648b197d..e3d9bf02 100644
--- a/.github/workflows/quality-monitor-comment.yml
+++ b/.github/workflows/quality-monitor-comment.yml
@@ -26,7 +26,7 @@ jobs:
           sha='${{ github.event.workflow_run.head_sha }}'
             echo "sha=$sha" >> "$GITHUB_OUTPUT"
       - name: Checkout PR
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ steps.pr.outputs.sha }}
       - name: Download PR Quality Reports from Quality Monitor Build workflow
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index f64e0c5e..fbce7cc7 100644
--- a/.github/workflows/sync-labels.yml
+++ b/.github/workflows/sync-labels.yml
@@ -13,7 +13,7 @@ jobs:
     name: Sync labels
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: micnncim/action-label-syncer@v1.3.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/ui-tests.yml b/.github/workflows/ui-tests.yml
index ae751fcd..2f4c9e52 100644
--- a/.github/workflows/ui-tests.yml
+++ b/.github/workflows/ui-tests.yml
@@ -17,7 +17,7 @@ jobs:
     name: ${{ matrix.browser }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with: