diff --git a/.github/workflows/devcontainer.yml b/.github/workflows/devcontainer.yml
index 6587c14b..4f0c3620 100644
--- a/.github/workflows/devcontainer.yml
+++ b/.github/workflows/devcontainer.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Lint Dockerfile
         uses: hadolint/hadolint-action@v3.3.0
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index e768f459..c4f74653 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Lint Dockerfile
         uses: hadolint/hadolint-action@v3.3.0
@@ -42,7 +42,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index bcb5405d..50d30b84 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Python with uv
         uses: ./.github/actions/setup-python-with-uv
diff --git a/.github/workflows/gh-deploy.yml b/.github/workflows/gh-deploy.yml
index 24470a43..16bca3ff 100644
--- a/.github/workflows/gh-deploy.yml
+++ b/.github/workflows/gh-deploy.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure Git Credentials
         uses: ./.github/actions/setup-git-config
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1cb31588..a6e6eee1 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Python with uv
         uses: ./.github/actions/setup-python-with-uv
@@ -44,7 +44,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Python with uv
         uses: ./.github/actions/setup-python-with-uv
diff --git a/.github/workflows/publish-devcontainer.yml b/.github/workflows/publish-devcontainer.yml
index 422566a0..71dc0915 100644
--- a/.github/workflows/publish-devcontainer.yml
+++ b/.github/workflows/publish-devcontainer.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4069db11..e8775a78 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Python with uv
         uses: ./.github/actions/setup-python-with-uv