diff --git a/.github/workflows/ConvertGuidelinesXmlToMarkdown.yml b/.github/workflows/ConvertGuidelinesXmlToMarkdown.yml
index 7c45250..8715d13 100644
--- a/.github/workflows/ConvertGuidelinesXmlToMarkdown.yml
+++ b/.github/workflows/ConvertGuidelinesXmlToMarkdown.yml
@@ -15,7 +15,7 @@ jobs:
       XmlFileName: "Guidelines(8th Edition).xml"
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
           ref: ${{ github.ref }}
           token: ${{ secrets.CI_PAT }}
diff --git a/.github/workflows/Deploy.yml b/.github/workflows/Deploy.yml
index 5aa25db..5cb593d 100644
--- a/.github/workflows/Deploy.yml
+++ b/.github/workflows/Deploy.yml
@@ -13,7 +13,7 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index c03c436..5b0789a 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -26,7 +26,7 @@ jobs:
     # If you do not check out your code, Copilot will do this for you.
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/dotnetBuild.yml b/.github/workflows/dotnetBuild.yml
index c69408f..1570398 100644
--- a/.github/workflows/dotnetBuild.yml
+++ b/.github/workflows/dotnetBuild.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/manuallyRunXmlToMD.yml b/.github/workflows/manuallyRunXmlToMD.yml
index c485907..dd09d04 100644
--- a/.github/workflows/manuallyRunXmlToMD.yml
+++ b/.github/workflows/manuallyRunXmlToMD.yml
@@ -19,7 +19,7 @@ jobs:
       XmlFileName: "Guidelines(8th Edition).xml"
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
           ref: ${{ github.ref }}
           token: ${{ secrets.CI_PAT }}