diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index ef060b1..8d1eaae 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -31,7 +31,7 @@ jobs:
                   git config --global core.eol lf
 
             - name: Checkout
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Install PHP
               uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
index 5343036..132b992 100644
--- a/.github/workflows/mutation-tests.yml
+++ b/.github/workflows/mutation-tests.yml
@@ -31,7 +31,7 @@ jobs:
                   git config --global core.eol lf
 
             - name: Checkout
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Install PHP
               uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index 2b1d1b8..92b7a22 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -13,7 +13,7 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Install the Nix package manager
               uses: cachix/install-nix-action@v30
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index dc54730..d82700a 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -15,7 +15,7 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Determine tag
               id: tag_name
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index f1be21c..f6ddedf 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -31,7 +31,7 @@ jobs:
                   git config --global core.eol lf
 
             - name: Checkout
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Install PHP
               uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f0685bc..69c3ac2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,7 +21,7 @@ jobs:
         outputs:
             version: ${{ steps.supported-versions-matrix.outputs.version }}
         steps:
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@v6
             - id: supported-versions-matrix
               uses: WyriHaximus/github-action-composer-php-versions-in-range@v1
     tests:
@@ -41,7 +41,7 @@ jobs:
                   git config --global core.eol lf
 
             - name: Checkout
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Install PHP
               uses: shivammathur/setup-php@v2