diff --git a/.github/workflows/arduino-lint.yml b/.github/workflows/arduino-lint.yml
index 765fde5d..a7e01f1b 100644
--- a/.github/workflows/arduino-lint.yml
+++ b/.github/workflows/arduino-lint.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Arduino Lint
         uses: arduino/arduino-lint-action@v2
diff --git a/.github/workflows/compile-examples.yml b/.github/workflows/compile-examples.yml
index 145c91c2..cd40df8b 100644
--- a/.github/workflows/compile-examples.yml
+++ b/.github/workflows/compile-examples.yml
@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Compile examples
         uses: arduino/compile-sketches@v1
diff --git a/.github/workflows/extra-library-checks.yml b/.github/workflows/extra-library-checks.yml
index 8a332ff3..d7c8617f 100644
--- a/.github/workflows/extra-library-checks.yml
+++ b/.github/workflows/extra-library-checks.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install arduino-ci-script
         run: |
diff --git a/.github/workflows/general-formatting-checks.yml b/.github/workflows/general-formatting-checks.yml
index 683dc2e1..4a4245d2 100644
--- a/.github/workflows/general-formatting-checks.yml
+++ b/.github/workflows/general-formatting-checks.yml
@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # https://github.com/per1234/formatting-checks
       - name: Check for files starting with a blank line
diff --git a/.github/workflows/smoke-test.yml b/.github/workflows/smoke-test.yml
index bf82e729..20c450c6 100644
--- a/.github/workflows/smoke-test.yml
+++ b/.github/workflows/smoke-test.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install CMake
         run: sudo apt-get install cmake
diff --git a/.github/workflows/spell-check.yml b/.github/workflows/spell-check.yml
index 8da40d35..98d4b6ba 100644
--- a/.github/workflows/spell-check.yml
+++ b/.github/workflows/spell-check.yml
@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # See: https://github.com/codespell-project/actions-codespell/blob/master/README.md
       - name: Spell check
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index 446ce26c..9545301f 100644
--- a/.github/workflows/sync-labels.yml
+++ b/.github/workflows/sync-labels.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download JSON schema for labels configuration file
         id: download-schema
@@ -99,7 +99,7 @@ jobs:
           echo "::set-output name=flag::--dry-run"
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download configuration files artifact
         uses: actions/download-artifact@v6
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index f31ba78a..2837f976 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - uses: arduino/cpp-test-action@main
         with: