diff --git a/.github/workflows/marp.yml b/.github/workflows/marp.yml
index 3612be5..b51f629 100644
--- a/.github/workflows/marp.yml
+++ b/.github/workflows/marp.yml
@@ -25,7 +25,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Copy images
         run: mkdir build && cp -R slides/img build/img && cp -R slides/themes build/themes
 
diff --git a/.github/workflows/terraform.yml b/.github/workflows/terraform.yml
index c7ef648..05bec46 100644
--- a/.github/workflows/terraform.yml
+++ b/.github/workflows/terraform.yml
@@ -64,7 +64,7 @@ jobs:
     steps:
     # Checkout the repository to the GitHub Actions runner
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
     - name: Setup Terraform
@@ -150,7 +150,7 @@ jobs:
     steps:
     # Checkout the repository to the GitHub Actions runner
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
     - name: Setup Terraform
diff --git a/.github/workflows/terrascan.yml b/.github/workflows/terrascan.yml
index 222c930..dd12171 100644
--- a/.github/workflows/terrascan.yml
+++ b/.github/workflows/terrascan.yml
@@ -15,7 +15,7 @@ jobs:
     name: terrascan-action
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Run Terrascan
       id: terrascan
       uses: tenable/terrascan-action@main
diff --git a/.github/workflows/trivy.yml b/.github/workflows/trivy.yml
index b20da50..767c83f 100644
--- a/.github/workflows/trivy.yml
+++ b/.github/workflows/trivy.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: "ubuntu-20.04"
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Run Trivy vulnerability scanner in fs mode
         uses: aquasecurity/trivy-action@master