diff --git a/.github/workflows/backwards-compatibility.yml b/.github/workflows/backwards-compatibility.yml
index e86ccb5ca..0ec9a717f 100644
--- a/.github/workflows/backwards-compatibility.yml
+++ b/.github/workflows/backwards-compatibility.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v4.1.1"
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index e5c9b15e7..c49d646fa 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v4.1.1"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.26.0"
diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index a5917dc5f..7976e1263 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@v4.1.1"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.26.0"
diff --git a/.github/workflows/composer-json-lint.yml b/.github/workflows/composer-json-lint.yml
index 416958dec..b6bb7ce5e 100644
--- a/.github/workflows/composer-json-lint.yml
+++ b/.github/workflows/composer-json-lint.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v4.1.1"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.26.0"
diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
index 785d30c5b..82b7061bf 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@v4.1.1"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.26.0"
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 2306416cd..bf7ab8bea 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@v4.1.1"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.26.0"
@@ -80,7 +80,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v4.1.1"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.26.0"
diff --git a/.github/workflows/release-on-milestone-closed.yml b/.github/workflows/release-on-milestone-closed.yml
index 4522f0480..5ca4fb275 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@v4.1.1"
 
       - name: "Release"
         uses: "laminas/automatic-releases@1.24.0"
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 44d8b3ebd..1dc7e90aa 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@v4.1.1"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@2.26.0"