diff --git a/.github/workflows/coding-style.yml b/.github/workflows/coding-style.yml
index 7251744d..877c2434 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 b23bf1a1..1c25039c 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 6dda0f92..52933536 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,7 @@ jobs:
 
         name: PHP ${{ matrix.php }} tests on ${{ matrix.os }}
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - uses: shivammathur/setup-php@v2
               with:
                   php-version: ${{ matrix.php }}
@@ -37,7 +37,7 @@ jobs:
 #        name: Failing test
 #        runs-on: ubuntu-latest
 #        steps:
-#            - uses: actions/checkout@v3
+#            - uses: actions/checkout@v4
 #            - uses: shivammathur/setup-php@v2
 #              with:
 #                  php-version: 8.0
@@ -51,7 +51,7 @@ jobs:
         name: Code Coverage
         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/composer.json b/composer.json
index 0a70bfa5..9195766d 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
 		}
 	],
 	"require": {
-		"php": ">=8.0 <8.4"
+		"php": "8.0 - 8.3"
 	},
 	"require-dev": {
 		"ext-simplexml": "*",