diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index 1bb8ffe..39d9061 100644
--- a/.github/workflows/coding-standards.yml
+++ b/.github/workflows/coding-standards.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.28.0"
diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
index 9e28ed8..c9bda2a 100644
--- a/.github/workflows/mutation-tests.yml
+++ b/.github/workflows/mutation-tests.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.28.0"
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index acc261e..dac7b6e 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.28.0"
diff --git a/.github/workflows/release-on-milestone-closed.yml b/.github/workflows/release-on-milestone-closed.yml
index 4522f04..e7cf6b7 100644
--- a/.github/workflows/release-on-milestone-closed.yml
+++ b/.github/workflows/release-on-milestone-closed.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
 
       - name: "Release"
         uses: "laminas/automatic-releases@1.24.0"
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 96d116f..b479cd1 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.28.0"