diff --git a/.github/workflows/basics.yml b/.github/workflows/basics.yml
index 7e616537..35e57232 100644
--- a/.github/workflows/basics.yml
+++ b/.github/workflows/basics.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -84,7 +84,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/quicktest.yml b/.github/workflows/quicktest.yml
index becaac4c..96131998 100644
--- a/.github/workflows/quicktest.yml
+++ b/.github/workflows/quicktest.yml
@@ -40,7 +40,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cc5ed0a6..72dcada6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -92,7 +92,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # With stable PHPCS dependencies, allow for PHP deprecation notices.
       # Unit tests don't need to fail on those for stable releases where those issues won't get fixed anymore.