diff --git a/.github/workflows/build-code.yml b/.github/workflows/build-code.yml
index 6a4c19b..2870b7d 100644
--- a/.github/workflows/build-code.yml
+++ b/.github/workflows/build-code.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up .NET
         uses: zyactions/dotnet-setup@v1
diff --git a/.github/workflows/lint-code.yml b/.github/workflows/lint-code.yml
index 59e1c2d..2706a41 100644
--- a/.github/workflows/lint-code.yml
+++ b/.github/workflows/lint-code.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up .NET
         uses: zyactions/dotnet-setup@v1
diff --git a/.github/workflows/scan-code.yml b/.github/workflows/scan-code.yml
index 4b791d8..4167a98 100644
--- a/.github/workflows/scan-code.yml
+++ b/.github/workflows/scan-code.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/test-code.yml b/.github/workflows/test-code.yml
index d3d4674..70d6d30 100644
--- a/.github/workflows/test-code.yml
+++ b/.github/workflows/test-code.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up .NET
         uses: zyactions/dotnet-setup@v1