diff --git a/src/Column/Action/Confirmation/StringConfirmation.php b/src/Column/Action/Confirmation/StringConfirmation.php
index 9f702a2e..1cdd902b 100644
--- a/src/Column/Action/Confirmation/StringConfirmation.php
+++ b/src/Column/Action/Confirmation/StringConfirmation.php
@@ -5,7 +5,7 @@
 final class StringConfirmation implements IConfirmation
 {
 
-	public function __construct(private string $question, private ?string $placeholderName = null)
+	public function __construct(private readonly string $question, private readonly ?string $placeholderName = null)
 	{
 	}
 
diff --git a/src/Components/DatagridPaginator/DatagridPaginator.php b/src/Components/DatagridPaginator/DatagridPaginator.php
index f0126510..9f4b57a4 100644
--- a/src/Components/DatagridPaginator/DatagridPaginator.php
+++ b/src/Components/DatagridPaginator/DatagridPaginator.php
@@ -26,7 +26,11 @@ class DatagridPaginator extends Control
 
 	private ?string $templateFile = null;
 
-	public function __construct(private Translator $translator, private string $iconPrefix = 'fa fa-', private string $btnSecondaryClass = 'btn-default btn-secondary')
+	public function __construct(
+		private readonly Translator $translator,
+		private readonly string $iconPrefix = 'fa fa-',
+		private readonly string $btnSecondaryClass = 'btn-default btn-secondary'
+	)
 	{
 	}
 
diff --git a/src/DataSource/ElasticsearchDataSource.php b/src/DataSource/ElasticsearchDataSource.php
index cd743523..38f65eb5 100644
--- a/src/DataSource/ElasticsearchDataSource.php
+++ b/src/DataSource/ElasticsearchDataSource.php
@@ -22,7 +22,7 @@ class ElasticsearchDataSource extends FilterableDataSource implements IDataSourc
 	/** @var callable */
 	private $rowFactory;
 
-	public function __construct(private Client $client, string $indexName, ?callable $rowFactory = null)
+	public function __construct(private readonly Client $client, string $indexName, ?callable $rowFactory = null)
 	{
 		$this->searchParamsBuilder = new SearchParamsBuilder($indexName);
 
diff --git a/src/DataSource/SearchParamsBuilder.php b/src/DataSource/SearchParamsBuilder.php
index 8320c7b3..8c974585 100644
--- a/src/DataSource/SearchParamsBuilder.php
+++ b/src/DataSource/SearchParamsBuilder.php
@@ -21,7 +21,7 @@ final class SearchParamsBuilder
 
 	private array $idsQueries = [];
 
-	public function __construct(private string $indexName)
+	public function __construct(private readonly string $indexName)
 	{
 	}
 
diff --git a/src/Status/Option.php b/src/Status/Option.php
index 24cb5f23..1733920a 100644
--- a/src/Status/Option.php
+++ b/src/Status/Option.php
@@ -27,7 +27,7 @@ class Option
 
 	protected ?IConfirmation $confirmation = null;
 
-	public function __construct(private Datagrid $grid, protected ColumnStatus $columnStatus, protected mixed $value, protected string $text)
+	public function __construct(private readonly Datagrid $grid, protected ColumnStatus $columnStatus, protected mixed $value, protected string $text)
 	{
 	}
 
diff --git a/src/Utils/Sorting.php b/src/Utils/Sorting.php
index c7aaa642..9945f032 100644
--- a/src/Utils/Sorting.php
+++ b/src/Utils/Sorting.php
@@ -11,7 +11,7 @@ final class Sorting
 	/**
 	 * @param mixed[]|string[] $sort
 	 */
-	public function __construct(private array $sort, ?callable $sortCallback = null)
+	public function __construct(private readonly array $sort, ?callable $sortCallback = null)
 	{
 		$this->sortCallback = $sortCallback;
 	}