diff --git a/.github/workflows/backward-compatibility-check.yml b/.github/workflows/backward-compatibility-check.yml
index 062be8a..5cc40d8 100644
--- a/.github/workflows/backward-compatibility-check.yml
+++ b/.github/workflows/backward-compatibility-check.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 39201ad..6941325 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -30,7 +30,7 @@ jobs:
           extensions: pdo_sqlite
 
       - name: "Checkout base"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ github.base_ref }}
 
@@ -42,7 +42,7 @@ jobs:
         run: "vendor/bin/phpbench run tests/Benchmark --progress=none --report=default --tag=base"
 
       - name: "Checkout"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           clean: false
 
diff --git a/.github/workflows/coding-standard.yml b/.github/workflows/coding-standard.yml
index 171fd91..5e21a27 100644
--- a/.github/workflows/coding-standard.yml
+++ b/.github/workflows/coding-standard.yml
@@ -26,7 +26,7 @@ jobs:
 
         steps:
             - name: "Checkout"
-              uses: actions/checkout@v4
+              uses: actions/checkout@v5
 
             - name: "Install PHP"
               uses: "shivammathur/setup-php@2.34.1"
diff --git a/.github/workflows/mutation-tests-diff.yml b/.github/workflows/mutation-tests-diff.yml
index bdf4271..1ecce81 100644
--- a/.github/workflows/mutation-tests-diff.yml
+++ b/.github/workflows/mutation-tests-diff.yml
@@ -22,7 +22,7 @@ jobs:
 
         steps:
             - name: "Checkout"
-              uses: actions/checkout@v4
+              uses: actions/checkout@v5
               with:
                   fetch-depth: 0
 
diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
index 35213c2..cf337f6 100644
--- a/.github/workflows/mutation-tests.yml
+++ b/.github/workflows/mutation-tests.yml
@@ -26,7 +26,7 @@ jobs:
 
         steps:
             - name: "Checkout"
-              uses: actions/checkout@v4
+              uses: actions/checkout@v5
 
             - name: "Install PHP"
               uses: "shivammathur/setup-php@2.34.1"
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 34ae448..7f45843 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -26,7 +26,7 @@ jobs:
 
         steps:
             - name: "Checkout"
-              uses: actions/checkout@v4
+              uses: actions/checkout@v5
 
             - name: "Install PHP"
               uses: "shivammathur/setup-php@2.34.1"
diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
index 07a1a73..77d7869 100644
--- a/.github/workflows/psalm.yml
+++ b/.github/workflows/psalm.yml
@@ -26,7 +26,7 @@ jobs:
 
         steps:
             - name: "Checkout"
-              uses: actions/checkout@v4
+              uses: actions/checkout@v5
 
             - name: "Install PHP"
               uses: "shivammathur/setup-php@2.34.1"
diff --git a/.github/workflows/release-on-milestone-closed-triggering-release-event.yml b/.github/workflows/release-on-milestone-closed-triggering-release-event.yml
index 0f045dd..67fae35 100644
--- a/.github/workflows/release-on-milestone-closed-triggering-release-event.yml
+++ b/.github/workflows/release-on-milestone-closed-triggering-release-event.yml
@@ -18,7 +18,7 @@ jobs:
 
         steps:
             - name: "Checkout"
-              uses: actions/checkout@v4
+              uses: actions/checkout@v5
 
             - name: "Release"
               uses: "laminas/automatic-releases@v1"
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index e70ef5e..70ad024 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -35,7 +35,7 @@ jobs:
                       operating-system: "windows-latest"
         steps:
             - name: "Checkout"
-              uses: actions/checkout@v4
+              uses: actions/checkout@v5
 
             - name: "Install PHP"
               uses: "shivammathur/setup-php@2.34.1"