diff --git a/.github/workflows/coding-style.yml b/.github/workflows/coding-style.yml
index 38aa568..280ec93 100644
--- a/.github/workflows/coding-style.yml
+++ b/.github/workflows/coding-style.yml
@@ -7,7 +7,7 @@ jobs:
         name: Nette Code Checker
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - uses: shivammathur/setup-php@v2
               with:
                   php-version: 8.0
@@ -21,7 +21,7 @@ jobs:
         name: Nette Coding Standard
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - uses: shivammathur/setup-php@v2
               with:
                   php-version: 8.0
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index ba98690..5a39324 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -10,7 +10,7 @@ jobs:
         name: PHPStan
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - uses: shivammathur/setup-php@v2
               with:
                   php-version: 8.0
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 03a2e3a..4dfd5be 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,13 +7,13 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: ['8.0', '8.1', '8.2', '8.3']
+                php: ['8.0', '8.1', '8.2', '8.3', '8.4']
 
             fail-fast: false
 
         name: PHP ${{ matrix.php }} tests
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - uses: shivammathur/setup-php@v2
               with:
                   php-version: ${{ matrix.php }}