diff --git a/.github/workflows/arduino-lint.yml b/.github/workflows/arduino-lint.yml
index c1c6fb6..4daa853 100644
--- a/.github/workflows/arduino-lint.yml
+++ b/.github/workflows/arduino-lint.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Arduino Lint
         uses: arduino/arduino-lint-action@v1
diff --git a/.github/workflows/check-general-formatting.yml b/.github/workflows/check-general-formatting.yml
index b85a37d..b23648d 100644
--- a/.github/workflows/check-general-formatting.yml
+++ b/.github/workflows/check-general-formatting.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for UTF-8 BOM file encoding
         run: |
@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for files starting with a blank line
         run: |
@@ -68,7 +68,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for unnecessary use of true tabs
         run: |
@@ -97,7 +97,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for trailing whitespace
         run: |
@@ -122,7 +122,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for non-Unix line endings
         run: |
@@ -146,7 +146,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for blank lines at end of files
         run: |
@@ -176,7 +176,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for files that don't end in a newline
         # https://stackoverflow.com/a/25686825
diff --git a/.github/workflows/check-license.yml b/.github/workflows/check-license.yml
index e55e33b..caafe56 100644
--- a/.github/workflows/check-license.yml
+++ b/.github/workflows/check-license.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout local repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Ruby
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
index 4549095..8b9a618 100644
--- a/.github/workflows/check-links.yml
+++ b/.github/workflows/check-links.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check links
         uses: gaurav-nelson/github-action-markdown-link-check@v1
diff --git a/.github/workflows/check-prettier-formatting.yml b/.github/workflows/check-prettier-formatting.yml
index 5bd5c8b..3610b89 100644
--- a/.github/workflows/check-prettier-formatting.yml
+++ b/.github/workflows/check-prettier-formatting.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Prettier
         run: sudo npm install --global prettier
diff --git a/.github/workflows/check-toc.yml b/.github/workflows/check-toc.yml
index fda2560..a4eab2d 100644
--- a/.github/workflows/check-toc.yml
+++ b/.github/workflows/check-toc.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout local repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install markdown-toc
         run: sudo npm install --global markdown-toc
diff --git a/.github/workflows/check-workflows.yml b/.github/workflows/check-workflows.yml
index 44c639c..4f16fae 100644
--- a/.github/workflows/check-workflows.yml
+++ b/.github/workflows/check-workflows.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout local repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Download JSON schema for GitHub Actions workflows
         uses: carlosperate/download-file-action@v2
diff --git a/.github/workflows/check-yaml.yml b/.github/workflows/check-yaml.yml
index cfee4ce..8cabed5 100644
--- a/.github/workflows/check-yaml.yml
+++ b/.github/workflows/check-yaml.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check YAML
         run: yamllint --config-file "${{ github.workspace }}/.github/.yamllint.yml" .
diff --git a/.github/workflows/compile-examples.yml b/.github/workflows/compile-examples.yml
index aac9d90..c0f81c6 100644
--- a/.github/workflows/compile-examples.yml
+++ b/.github/workflows/compile-examples.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Compile examples
         uses: arduino/compile-sketches@main
diff --git a/.github/workflows/spell-check.yml b/.github/workflows/spell-check.yml
index 3f6b03f..ef7d894 100644
--- a/.github/workflows/spell-check.yml
+++ b/.github/workflows/spell-check.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Spell check
         uses: codespell-project/actions-codespell@master