diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 175aea9..7c26d60 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
diff --git a/.github/workflows/ossar-analysis.yml b/.github/workflows/ossar-analysis.yml
index 31aeb4e..5804d03 100644
--- a/.github/workflows/ossar-analysis.yml
+++ b/.github/workflows/ossar-analysis.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
       # Checkout your code repository to scan
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index dc01426..fbae6f8 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -21,7 +21,7 @@ jobs:
     name: Testing ${{ matrix.php-versions }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Dump GitHub context
       env:
@@ -60,7 +60,7 @@ jobs:
     name: Deploy to staging
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
@@ -106,7 +106,7 @@ jobs:
     name: Deploy to production
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2