diff --git a/.github/workflows/00-basic.yml b/.github/workflows/00-basic.yml
index 12ec38e..0a1f96f 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@v6
+      - uses: actions/checkout@v6.0.1
 
       # 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 eac1241..82175a4 100644
--- a/.github/workflows/00a-basic-filters.yml
+++ b/.github/workflows/00a-basic-filters.yml
@@ -36,7 +36,7 @@ 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@v6
+      - uses: actions/checkout@v6.0.1
 
       # 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 5869b7a..449f754 100644
--- a/.github/workflows/03-steps.yml
+++ b/.github/workflows/03-steps.yml
@@ -50,10 +50,10 @@ jobs:
         shell: perl {0}
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       # Reference a specific commit
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       # Reference the major version of a release
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
       # Reference a specific version
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
       # Reference a branch
       - uses: actions/checkout@main
diff --git a/.github/workflows/04-environment-variables.yaml b/.github/workflows/04-environment-variables.yaml
index 20fad96..0bacdd2 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@v6
+      - uses: actions/checkout@v6.0.1
 
       # 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 49e4bfe..87eb6e7 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@v6
+      - uses: actions/checkout@v6.0.1
 
       # Runs a single command using the runners shell
       - name: Run a one-line script
@@ -44,7 +44,7 @@ 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@v6
+      - uses: actions/checkout@v6.0.1
 
       # 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 b479787..032ed0d 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@v6
+      - uses: actions/checkout@v6.0.1
 
       - name: Run Hello
         run: echo "$Greeting, $Name!"
diff --git a/.github/workflows/08-secrets.yml b/.github/workflows/08-secrets.yml
index 5092be5..f060dfd 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@v6
+      - uses: actions/checkout@v6.0.1
 
       # 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 8eb23d8..af46a32 100644
--- a/.github/workflows/09-node.js-matrix.yml
+++ b/.github/workflows/09-node.js-matrix.yml
@@ -26,7 +26,7 @@ jobs:
         os: [ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
         with:
diff --git a/.github/workflows/10-dotnet.yml b/.github/workflows/10-dotnet.yml
index d841ada..5b2c62a 100644
--- a/.github/workflows/10-dotnet.yml
+++ b/.github/workflows/10-dotnet.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
         with:
diff --git a/.github/workflows/azure-dev.yml b/.github/workflows/azure-dev.yml
index af7ff7f..2a1c995 100644
--- a/.github/workflows/azure-dev.yml
+++ b/.github/workflows/azure-dev.yml
@@ -35,7 +35,7 @@ jobs:
             AZURE_LOCATION: ${{ vars.AZURE_LOCATION }}
         steps:
         - name: Checkout
-          uses: actions/checkout@v6
+          uses: actions/checkout@v6.0.1
   
         - name: Install azd
           uses: Azure/setup-azd@v2.2.1
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 608a7d7..bd8dedd 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 36dc5bf..a778672 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@v6
+      - uses: actions/checkout@v6.0.1
 
       - name: Lint code
         run: |
diff --git a/.github/workflows/marp-pages.yml b/.github/workflows/marp-pages.yml
index 302c3df..696a78a 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@v6
+      - uses: actions/checkout@v6.0.1
       - 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 d0db5b0..d7f81b4 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@v6
+      - uses: actions/checkout@v6.0.1
       - uses: azure/login@v2
         name: Sign in to Azure
         with:
diff --git a/.github/workflows/super-linter.yml b/.github/workflows/super-linter.yml
index 4b0801e..bc8bfcc 100644
--- a/.github/workflows/super-linter.yml
+++ b/.github/workflows/super-linter.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.1
         with:
           # super-linter needs the full git history to get the
           # list of files that changed across commits