diff --git a/.github/workflows/check-license.yml b/.github/workflows/check-license.yml
index 95f0c9a..ddc76fc 100644
--- a/.github/workflows/check-license.yml
+++ b/.github/workflows/check-license.yml
@@ -73,7 +73,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Ruby
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/check-npm-dependencies-task.yml b/.github/workflows/check-npm-dependencies-task.yml
index 0f675dc..9354142 100644
--- a/.github/workflows/check-npm-dependencies-task.yml
+++ b/.github/workflows/check-npm-dependencies-task.yml
@@ -66,7 +66,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
@@ -125,7 +125,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
diff --git a/.github/workflows/check-npm-task.yml b/.github/workflows/check-npm-task.yml
index 9c72274..0876ebc 100644
--- a/.github/workflows/check-npm-task.yml
+++ b/.github/workflows/check-npm-task.yml
@@ -65,7 +65,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -101,7 +101,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/check-packaging-ncc-typescript-npm.yml b/.github/workflows/check-packaging-ncc-typescript-npm.yml
index 7e927c0..b6f2e16 100644
--- a/.github/workflows/check-packaging-ncc-typescript-npm.yml
+++ b/.github/workflows/check-packaging-ncc-typescript-npm.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/check-prettier-formatting-task.yml b/.github/workflows/check-prettier-formatting-task.yml
index 1437c25..7f3f44a 100644
--- a/.github/workflows/check-prettier-formatting-task.yml
+++ b/.github/workflows/check-prettier-formatting-task.yml
@@ -240,7 +240,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/check-toc-task.yml b/.github/workflows/check-toc-task.yml
index 7bdc53f..9f42fc2 100644
--- a/.github/workflows/check-toc-task.yml
+++ b/.github/workflows/check-toc-task.yml
@@ -70,7 +70,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/check-tsconfig-task.yml b/.github/workflows/check-tsconfig-task.yml
index d412895..e5e05ff 100644
--- a/.github/workflows/check-tsconfig-task.yml
+++ b/.github/workflows/check-tsconfig-task.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index ea681a8..285a0ba 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout local repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Run the action using default values as much as possible.
       - name: Run action
@@ -34,7 +34,7 @@ jobs:
       REPORT_FILE_PATH: /tmp/report.json
     steps:
       - name: Checkout local repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # The contents of the test data path are structured so that the step will fail if arduino-lint is not run with the configuration according to these inputs.
       - name: Run action
@@ -57,7 +57,7 @@ jobs:
 
     steps:
       - name: Checkout local repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # The contents of the test data path are structured so that the step will fail if arduino-lint is run with the default configuration.
       - name: Run action
diff --git a/.github/workflows/spell-check-task.yml b/.github/workflows/spell-check-task.yml
index a09a8c8..185bcb5 100644
--- a/.github/workflows/spell-check-task.yml
+++ b/.github/workflows/spell-check-task.yml
@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/sync-labels-npm.yml b/.github/workflows/sync-labels-npm.yml
index 8cd2585..b4a90bb 100644
--- a/.github/workflows/sync-labels-npm.yml
+++ b/.github/workflows/sync-labels-npm.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -122,7 +122,7 @@ jobs:
           echo "flag=--dry-run" >> $GITHUB_OUTPUT
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download configuration file artifacts
         uses: actions/download-artifact@v6
diff --git a/.github/workflows/test-javascript-jest-task.yml b/.github/workflows/test-javascript-jest-task.yml
index 8eff142..7354071 100644
--- a/.github/workflows/test-javascript-jest-task.yml
+++ b/.github/workflows/test-javascript-jest-task.yml
@@ -83,7 +83,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6