diff --git a/.github/workflows/codesniffer.yml b/.github/workflows/codesniffer.yml
index a58ac4f..d5ff803 100644
--- a/.github/workflows/codesniffer.yml
+++ b/.github/workflows/codesniffer.yml
@@ -15,4 +15,4 @@ jobs:
     name: "Codesniffer"
     uses: contributte/.github/.github/workflows/codesniffer.yml@master
     with:
-      php: "8.2"
+      php: "8.3"
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 860c47e..9b105e9 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -8,11 +8,11 @@ on:
     branches: ["*"]
 
   schedule:
-    - cron: "0 8 * * 1"
+    - cron: "0 9 * * 1"
 
 jobs:
   coverage:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester-coverage-v2.yml@master
     with:
-      php: "8.2"
+      php: "8.3"
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index eb916bf..c0dccb4 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -8,11 +8,11 @@ on:
     branches: ["*"]
 
   schedule:
-    - cron: "0 8 * * 1"
+    - cron: "0 10 * * 1"
 
 jobs:
   phpstan:
     name: "Phpstan"
     uses: contributte/.github/.github/workflows/phpstan.yml@master
     with:
-      php: "8.2"
+      php: "8.3"
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a574bd1..693509b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -5,33 +5,33 @@ on:
   workflow_dispatch:
 
   push:
-    branches: [ "*" ]
+    branches: ["*"]
 
   schedule:
-    - cron: "0 8 * * 1"
+    - cron: "0 10 * * 1"
 
 jobs:
-  test83:
+  test84:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester.yml@master
     with:
-      php: "8.3"
+      php: "8.4"
 
-  test82:
+  test83:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester.yml@master
     with:
-      php: "8.2"
+      php: "8.3"
 
-  test81:
+  test82:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester.yml@master
     with:
-      php: "8.1"
+      php: "8.2"
 
   testlower:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester.yml@master
     with:
-      php: "8.1"
+      php: "8.2"
       composer: "composer update --no-interaction --no-progress --prefer-dist --prefer-stable --prefer-lowest"
diff --git a/composer.json b/composer.json
index 863abad..b715c6e 100644
--- a/composer.json
+++ b/composer.json
@@ -24,17 +24,16 @@
     "issues": "https://github.com/contributte/vite/issues"
   },
   "require": {
-    "php": ">=8.1",
+    "php": ">=8.2",
     "nette/application": "^3.0.8",
     "nette/di": "^3.1.8",
-    "nette/safe": "^0.9",
     "tracy/tracy": "^2.10.5"
   },
   "require-dev": {
-    "latte/latte": "^3.0.12",
-    "contributte/qa": "^0.4",
-    "contributte/tester": "^0.3",
-    "contributte/phpstan": "^0.1"
+    "contributte/phpstan": "^0.2.0",
+    "contributte/qa": "^0.4.0",
+    "contributte/tester": "^0.3.0",
+    "latte/latte": "^3.0.12"
   },
   "suggest": {
     "tracy/tracy": "to enable asset debugging in the debug bar panel",
@@ -45,6 +44,11 @@
       "Contributte\\Vite\\": "src/"
     }
   },
+  "autoload-dev": {
+    "psr-4": {
+      "Tests\\": "tests"
+    }
+  },
   "minimum-stability": "dev",
   "prefer-stable": true,
   "config": {
diff --git a/phpstan.neon b/phpstan.neon
index 562ab05..cd64186 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -3,7 +3,7 @@ includes:
 
 parameters:
 	level: 9
-	phpVersion: 80100
+	phpVersion: 80200
 
 	scanDirectories:
 		- src
@@ -14,5 +14,3 @@ parameters:
 	paths:
 		- src
 		- .docs
-
-	ignoreErrors:
diff --git a/ruleset.xml b/ruleset.xml
index 2e9e01b..ba6f4a3 100644
--- a/ruleset.xml
+++ b/ruleset.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ruleset name="Contributte" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
 	<!-- Rulesets -->
-	<rule ref="./vendor/contributte/qa/ruleset-8.0.xml"/>
+	<rule ref="./vendor/contributte/qa/ruleset-8.3.xml"/>
 
 	<!-- Rules -->
 	<rule ref="SlevomatCodingStandard.Files.TypeNameMatchesFileName">
@@ -10,10 +10,6 @@
 				<element key="src" value="Contributte\Vite"/>
 				<element key="tests" value="Tests"/>
 			</property>
-			<property name="extensions" type="array">
-				<element key="php" value="php"/>
-				<element key="phpt" value="phpt"/>
-			</property>
 		</properties>
 	</rule>
 
diff --git a/src/Nette/Extension.php b/src/Nette/Extension.php
index 1a4107b..d99497a 100644
--- a/src/Nette/Extension.php
+++ b/src/Nette/Extension.php
@@ -10,7 +10,6 @@
 use Nette\DI\Definitions\FactoryDefinition;
 use Nette\DI\Definitions\ServiceDefinition;
 use Nette\DI\Definitions\Statement;
-use Nette\Safe;
 use Nette\Schema\Expect;
 use Nette\Schema\Schema;
 use Nette\Utils\Finder;
@@ -120,13 +119,13 @@ private function prepareManifestPath(): string
 			$manifestFile = $newPath;
 		}
 
-		return Safe::realpath($manifestFile);
+		return (string) realpath($manifestFile);
 	}
 
 	private function prepareBasePath(string $manifestFile): string
 	{
 		if ($this->config->basePath === null) {
-			return str_replace(Safe::realpath($this->config->wwwDir), '', dirname($manifestFile)) . '/';
+			return str_replace((string) realpath($this->config->wwwDir), '', dirname($manifestFile)) . '/';
 		}
 
 		return $this->config->basePath;
diff --git a/src/Service.php b/src/Service.php
index 8f44a69..f33b078 100644
--- a/src/Service.php
+++ b/src/Service.php
@@ -23,7 +23,7 @@ final class Service
 
 	private IRequest $httpRequest;
 
-	/** @var array<array<mixed>> $manifest */
+	/** @var array<string, array{file?: string, css?: list<string>, imports?: list<string>, dynamicImports?: list<string>}> */
 	private array $manifest;
 
 	public function __construct(
@@ -46,26 +46,11 @@ public function __construct(
 			trigger_error('Missing manifest file: ' . $this->manifestFile, E_USER_WARNING);
 		}
 
-		/** @var array<array<mixed>> $manifest */
+		/** @var array<string, array{file?: string, css?: list<string>, imports?: list<string>, dynamicImports?: list<string>}> $manifest */
 		$manifest = json_decode(FileSystem::read($this->manifestFile), true);
 		$this->manifest = $manifest;
 	}
 
-	/**
-	 * @return array<string, array<array<string, string>>>
-	 */
-	private function getEndpointManifest(string $entrypoint): array {
-		$entrypoint = ltrim($entrypoint, '/');
-		/** @var array<string, array<array<string, string>>> $manifest */
-		$manifest = $this->manifest[$entrypoint];
-
-		if ($manifest === null) {
-			throw new LogicalException('Invalid manifest');
-		}
-
-		return $manifest;
-	}
-
 	public function getAsset(string $entrypoint): string
 	{
 		if (str_starts_with($entrypoint, 'http')) {
@@ -105,7 +90,7 @@ public function getCssAssets(string $entrypoint, bool $withNestedCss = false): G
 	}
 
 	/**
-	 * @return array<string, string>
+	 * @return list<string>
 	 */
 	public function getImports(string $entrypoint): array
 	{
@@ -119,7 +104,7 @@ public function getImports(string $entrypoint): array
 	}
 
 	/**
-	 * @return array<string, string>
+	 * @return list<string>
 	 */
 	public function getDynamicImports(string $entrypoint): array
 	{
@@ -170,4 +155,18 @@ public function getViteCookie(): string
 		return $this->viteCookie;
 	}
 
+	/**
+	 * @return array{file?: string, css?: list<string>, imports?: list<string>, dynamicImports?: list<string>}
+	 */
+	private function getEndpointManifest(string $entrypoint): array
+	{
+		$entrypoint = ltrim($entrypoint, '/');
+
+		if (!isset($this->manifest[$entrypoint])) {
+			throw new LogicalException('Invalid manifest');
+		}
+
+		return $this->manifest[$entrypoint];
+	}
+
 }
diff --git a/src/Tracy/VitePanel.php b/src/Tracy/VitePanel.php
index 0e9d01b..4a41561 100644
--- a/src/Tracy/VitePanel.php
+++ b/src/Tracy/VitePanel.php
@@ -3,7 +3,6 @@
 namespace Contributte\Vite\Tracy;
 
 use Contributte\Vite\Service;
-use Nette\Safe;
 use Tracy\IBarPanel;
 
 final class VitePanel implements IBarPanel
@@ -18,7 +17,7 @@ public function __construct(Service $vite)
 
 	public function getTab(): string
 	{
-		$html = Safe::file_get_contents(__DIR__ . '/Vite.html');
+		$html = (string) file_get_contents(__DIR__ . '/Vite.html');
 
 		return str_replace('%viteCookie%', $this->vite->getViteCookie(), $html);
 	}
diff --git a/tests/Cases/DI/Extension.phpt b/tests/Cases/DI/Extension.phpt
index 5a3c437..a119249 100644
--- a/tests/Cases/DI/Extension.phpt
+++ b/tests/Cases/DI/Extension.phpt
@@ -13,13 +13,12 @@ use Nette\Bridges\ApplicationDI\LatteExtension;
 use Nette\Bridges\ApplicationDI\RoutingExtension;
 use Nette\Bridges\HttpDI\HttpExtension;
 use Nette\DI\Compiler;
-use Nette\Safe;
 use Tester\Assert;
 
 require_once __DIR__ . '/../../bootstrap.php';
 
 Toolkit::test(static function (): void {
-	Safe::touch(Environment::getTestDir() . '/manifest.json');
+	file_put_contents(Environment::getTestDir() . '/manifest.json', '{}');
 
 	$container = ContainerBuilder::of()
 		->withCompiler(function (Compiler $compiler): void {