diff --git a/.github/workflows/00-basic.yml b/.github/workflows/00-basic.yml
index 9ca9d1b..6beb644 100644
--- a/.github/workflows/00-basic.yml
+++ b/.github/workflows/00-basic.yml
@@ -15,7 +15,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Runs a single command using the runners shell
       - name: Run a one-line script
diff --git a/.github/workflows/00a-basic-filters.yml b/.github/workflows/00a-basic-filters.yml
index d4fe498..1365d7d 100644
--- a/.github/workflows/00a-basic-filters.yml
+++ b/.github/workflows/00a-basic-filters.yml
@@ -35,7 +35,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Runs a single command using the runners shell
       - name: Run a one-line script
diff --git a/.github/workflows/03-steps.yml b/.github/workflows/03-steps.yml
index 8c0ca63..8958819 100644
--- a/.github/workflows/03-steps.yml
+++ b/.github/workflows/03-steps.yml
@@ -50,11 +50,11 @@ jobs:
         shell: perl {0}    
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       # Reference a specific commit
-      - uses: actions/checkout@a81bbbf8298c0fa03ea29cdc473d45769f953675
+      - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5
       # Reference the major version of a release
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       # Reference a specific version
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # Reference a branch
       - uses: actions/checkout@main
 
diff --git a/.github/workflows/04-environment-variables.yaml b/.github/workflows/04-environment-variables.yaml
index 5551db7..98dc35c 100644
--- a/.github/workflows/04-environment-variables.yaml
+++ b/.github/workflows/04-environment-variables.yaml
@@ -27,7 +27,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Runs a single command using the runners shell
       - name: Run a one-line script
diff --git a/.github/workflows/04-environment-variables2.yaml b/.github/workflows/04-environment-variables2.yaml
index c76f0b6..392ff58 100644
--- a/.github/workflows/04-environment-variables2.yaml
+++ b/.github/workflows/04-environment-variables2.yaml
@@ -29,7 +29,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Runs a single command using the runners shell
       - name: Run a one-line script
diff --git a/.github/workflows/05-conditionals.yml b/.github/workflows/05-conditionals.yml
index e3510fa..d3af66d 100644
--- a/.github/workflows/05-conditionals.yml
+++ b/.github/workflows/05-conditionals.yml
@@ -27,7 +27,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Run Hello
         run: echo "$Greeting, $Name!"
diff --git a/.github/workflows/08-secrets.yml b/.github/workflows/08-secrets.yml
index e9c2eef..5ca2ce6 100644
--- a/.github/workflows/08-secrets.yml
+++ b/.github/workflows/08-secrets.yml
@@ -26,7 +26,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Runs a single command using the runners shell
       - name: Pass via Context
diff --git a/.github/workflows/09-node.js-matrix.yml b/.github/workflows/09-node.js-matrix.yml
index 6865227..ab61d8b 100644
--- a/.github/workflows/09-node.js-matrix.yml
+++ b/.github/workflows/09-node.js-matrix.yml
@@ -27,7 +27,7 @@ jobs:
         os: [ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
diff --git a/.github/workflows/10-dotnet.yml b/.github/workflows/10-dotnet.yml
index 6f4211f..2ac4718 100644
--- a/.github/workflows/10-dotnet.yml
+++ b/.github/workflows/10-dotnet.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Setup .NET
       uses: actions/setup-dotnet@v3
       with:
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index b046b06..d0149fd 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Login to Docker Hub
       uses: docker/login-action@v2
       with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a4d52f1..49c5c35 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ jobs:
     name: Lint code
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Lint code
       run: |
diff --git a/.github/workflows/marp-pages.yml b/.github/workflows/marp-pages.yml
index 09634e9..eda7651 100644
--- a/.github/workflows/marp-pages.yml
+++ b/.github/workflows/marp-pages.yml
@@ -25,7 +25,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Copy images
         run: mkdir build && cp -R slides/img build/img && cp -R slides/themes build/themes
 
diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index 36f089e..f4d20b3 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -18,7 +18,7 @@ jobs:
   deploy: 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: azure/login@v1
         name: Sign in to Azure
         with:
diff --git a/.github/workflows/super-linter.yml b/.github/workflows/super-linter.yml
index 3e45238..cb4d5d0 100644
--- a/.github/workflows/super-linter.yml
+++ b/.github/workflows/super-linter.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # Full git history is needed to get a proper list of changed files within `super-linter`
           fetch-depth: 0