diff --git a/.github/workflows/build-code.yml b/.github/workflows/build-code.yml
index 21ed7b4..b5b14f8 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@v5
+        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 9660e6e..1abf1eb 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@v5
+        uses: actions/checkout@v6
 
       - name: Set up .NET
         uses: zyactions/dotnet-setup@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ff9375e..11cfaaf 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Build changelog
         id: changelog
diff --git a/.github/workflows/test-code.yml b/.github/workflows/test-code.yml
index 37f0dcf..13f166e 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@v5
+        uses: actions/checkout@v6
 
       - name: Set up .NET
         uses: zyactions/dotnet-setup@v1