diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 967bd1c..717b0c7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,7 +24,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: [ '8.1', '8.2', '8.3' ]
+        php-version: [ '8.1', '8.2', '8.3', '8.4' ]
 
     steps:
       - name: Checkout
@@ -58,7 +58,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: [ '8.1', '8.2', '8.3' ]
+        php-version: [ '8.1', '8.2', '8.3', '8.4' ]
 
     runs-on: ubuntu-latest
 
diff --git a/composer.json b/composer.json
index 052a33a..53d86e3 100644
--- a/composer.json
+++ b/composer.json
@@ -20,10 +20,10 @@
 		"nette/tester": "~2.4",
 		"nette/caching": "~3.0",
 		"nette/di": "~3.0",
-		"nette/utils": "~3.0",
-		"nette/finder": "~2.5",
+		"nette/utils": "~3.0 || ~4.0",
+		"nette/finder": "~2.5 || ~3.0",
 		"nette/neon": "~3.0",
-		"nextras/multi-query-parser": "1.0.0",
+		"nextras/multi-query-parser": "~1.0",
 		"phpstan/extension-installer": "1.4.3",
 		"phpstan/phpstan": "1.12.7",
 		"phpstan/phpstan-deprecation-rules": "1.2.1",
diff --git a/src/Bridges/SymfonyBundle/DataCollector/QueryDataCollector.php b/src/Bridges/SymfonyBundle/DataCollector/QueryDataCollector.php
index 06c56b3..efb774d 100644
--- a/src/Bridges/SymfonyBundle/DataCollector/QueryDataCollector.php
+++ b/src/Bridges/SymfonyBundle/DataCollector/QueryDataCollector.php
@@ -46,7 +46,7 @@ public function getName()
 	}
 
 
-	public function collect(Request $request, Response $response, \Throwable $exception = null): void
+	public function collect(Request $request, Response $response, \Throwable|null $exception = null): void
 	{
 		foreach ($this->queries as [$sqlQuery, $timeTaken, $rowsCount]) {
 			$row = [
diff --git a/src/Drivers/Exception/DriverException.php b/src/Drivers/Exception/DriverException.php
index 1b91830..a6f8825 100644
--- a/src/Drivers/Exception/DriverException.php
+++ b/src/Drivers/Exception/DriverException.php
@@ -12,7 +12,7 @@ public function __construct(
 		string $message,
 		private readonly int $errorCode = 0,
 		private readonly string $errorSqlState = '',
-		Exception $previousException = null
+		Exception|null $previousException = null
 	)
 	{
 		parent::__construct($message, 0, $previousException);
diff --git a/src/Drivers/Exception/QueryException.php b/src/Drivers/Exception/QueryException.php
index 5c98e17..953d87c 100644
--- a/src/Drivers/Exception/QueryException.php
+++ b/src/Drivers/Exception/QueryException.php
@@ -12,7 +12,7 @@ public function __construct(
 		string $message,
 		int $errorCode = 0,
 		string $errorSqlState = '',
-		Exception $previousException = null,
+		Exception|null $previousException = null,
 		private readonly ?string $sqlQuery = null
 	)
 	{
diff --git a/src/Drivers/Exception/UnknownMysqlTimezoneException.php b/src/Drivers/Exception/UnknownMysqlTimezoneException.php
index 2ae8278..47eab91 100644
--- a/src/Drivers/Exception/UnknownMysqlTimezoneException.php
+++ b/src/Drivers/Exception/UnknownMysqlTimezoneException.php
@@ -12,7 +12,7 @@ public function __construct(
 		string $message,
 		int $errorCode = 0,
 		string $errorSqlState = '',
-		Exception $previousException = null,
+		Exception|null $previousException = null,
 		?string $sqlQuery = null,
 	)
 	{
diff --git a/src/Drivers/Mysqli/MysqliDriver.php b/src/Drivers/Mysqli/MysqliDriver.php
index b2eea6e..81054f2 100644
--- a/src/Drivers/Mysqli/MysqliDriver.php
+++ b/src/Drivers/Mysqli/MysqliDriver.php
@@ -209,8 +209,12 @@ public function getServerVersion(): string
 	public function ping(): bool
 	{
 		$this->checkConnection();
-		assert($this->connection !== null);
-		return $this->connection->ping();
+		try {
+			$this->query('SELECT 1');
+			return true;
+		} catch (DriverException) {
+			return false;
+		}
 	}
 
 
diff --git a/src/Drivers/Mysqli/MysqliResultNormalizerFactory.php b/src/Drivers/Mysqli/MysqliResultNormalizerFactory.php
index 1de9f19..21863c2 100644
--- a/src/Drivers/Mysqli/MysqliResultNormalizerFactory.php
+++ b/src/Drivers/Mysqli/MysqliResultNormalizerFactory.php
@@ -76,7 +76,7 @@ public function resolve(array $types): array
 		static $ints = [
 			MYSQLI_TYPE_BIT => true,
 			MYSQLI_TYPE_INT24 => true,
-			MYSQLI_TYPE_INTERVAL => true,
+			MYSQLI_TYPE_ENUM => true,
 			MYSQLI_TYPE_TINY => true,
 			MYSQLI_TYPE_SHORT => true,
 			MYSQLI_TYPE_LONG => true,