diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 2c83aec1..b9905802 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -67,7 +67,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index a2d189f1..6757e04f 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -20,7 +20,7 @@ jobs:
     name: "Build Docker images"
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/eslint-code-scanning.yml b/.github/workflows/eslint-code-scanning.yml
index bab97124..409f1437 100644
--- a/.github/workflows/eslint-code-scanning.yml
+++ b/.github/workflows/eslint-code-scanning.yml
@@ -32,7 +32,7 @@ jobs:
       actions: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/eslint.yml b/.github/workflows/eslint.yml
index 3c81cb9d..b71c4140 100644
--- a/.github/workflows/eslint.yml
+++ b/.github/workflows/eslint.yml
@@ -47,7 +47,7 @@ jobs:
       actions: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index 3dc10bdb..7f05e45d 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
diff --git a/.github/workflows/node-coverage.js.yml b/.github/workflows/node-coverage.js.yml
index 4dd65bf9..0c74fca8 100644
--- a/.github/workflows/node-coverage.js.yml
+++ b/.github/workflows/node-coverage.js.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 565e58c8..3fcd4b02 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
diff --git a/.github/workflows/yamllint.yml b/.github/workflows/yamllint.yml
index bf717331..187e25f3 100644
--- a/.github/workflows/yamllint.yml
+++ b/.github/workflows/yamllint.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Install yamllint
         run: pip install yamllint