diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 480ca28..92be9f0 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -46,7 +46,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/jekyll-gh-pages.yml b/.github/workflows/jekyll-gh-pages.yml
index 559bddf..cbeb272 100644
--- a/.github/workflows/jekyll-gh-pages.yml
+++ b/.github/workflows/jekyll-gh-pages.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Pages
         uses: actions/configure-pages@v3
       - name: Build with Jekyll
diff --git a/.github/workflows/phpmd.yml b/.github/workflows/phpmd.yml
index 99dec20..1110dfa 100644
--- a/.github/workflows/phpmd.yml
+++ b/.github/workflows/phpmd.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@72ae4ccbe57f82bbe08411e84e2130bd4ba1c10f
diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
index dc73a2a..4fd3d88 100644
--- a/.github/workflows/psalm.yml
+++ b/.github/workflows/psalm.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Psalm Security Scan
         uses: psalm/psalm-github-security-scan@bc795c673ee7a96399a8853ad3c7144c818be6bc
diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index 6ee98fb..d11d192 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Pages
         uses: actions/configure-pages@v3
       - name: Upload artifact