diff --git a/.github/workflows/build-docs.yaml b/.github/workflows/build-docs.yaml
index f34204c..5272ca2 100644
--- a/.github/workflows/build-docs.yaml
+++ b/.github/workflows/build-docs.yaml
@@ -8,7 +8,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: 3.x
diff --git a/.github/workflows/coding-standards.yaml b/.github/workflows/coding-standards.yaml
index 066c836..6e5487b 100644
--- a/.github/workflows/coding-standards.yaml
+++ b/.github/workflows/coding-standards.yaml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/continuous-integration.yaml b/.github/workflows/continuous-integration.yaml
index bb959ee..e512949 100644
--- a/.github/workflows/continuous-integration.yaml
+++ b/.github/workflows/continuous-integration.yaml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/static-analysis.yaml b/.github/workflows/static-analysis.yaml
index 875373b..442fabe 100644
--- a/.github/workflows/static-analysis.yaml
+++ b/.github/workflows/static-analysis.yaml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2