diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index aa24ed0..b6df875 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -22,7 +22,7 @@ jobs:
     steps:
       # ── 1. Checkout (needed for path context so .dockerignore is respected) ──
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # ── 2. Multi-platform support ───────────────────────────────────────────
       - name: Set up QEMU
diff --git a/.github/workflows/docker-readme-validation.yml b/.github/workflows/docker-readme-validation.yml
index 87e728f..45f8133 100644
--- a/.github/workflows/docker-readme-validation.yml
+++ b/.github/workflows/docker-readme-validation.yml
@@ -23,7 +23,7 @@ jobs:
     steps:
       # ── 1. Clone ─────────────────────────────────────────────────────────────
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # ── 2. setup.sh ──────────────────────────────────────────────────────────
       - name: Run setup.sh (new-user step 1)
diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index a0b6188..2f8baf6 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -65,7 +65,7 @@ jobs:
             --region us-east-1
 
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index 9f4a0b7..a9fe8c0 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4