diff --git a/CHANGELOG.md b/CHANGELOG.md
index b758368..dfb22e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 2.25
+
+-  Downgrade PHP requirement from 8.3 to 8.1
+
 ## 2.24
 
 -  Installing the package in a Symfony app using Flex won't add the `@symfony/ux-map` dependency to the `package.json` file anymore.
@@ -26,13 +30,13 @@
 
 ## 2.20
 
--   Deprecate `render_map` Twig function (will be removed in 2.21). Use 
+-   Deprecate `render_map` Twig function (will be removed in 2.21). Use
     `ux_map` or the `<twig:ux:map />` Twig component instead.
--   Add `ux_map` Twig function (replaces `render_map` with a more flexible 
+-   Add `ux_map` Twig function (replaces `render_map` with a more flexible
     interface)
 -   Add `<twig:ux:map />` Twig component
 -   The importmap entry `@symfony/ux-map/abstract-map-controller` can be removed
-    from your importmap, it is no longer needed. 
+    from your importmap, it is no longer needed.
 -   Add `Polygon` support
 
 ## 2.19
diff --git a/composer.json b/composer.json
index 509983e..c08fcb8 100644
--- a/composer.json
+++ b/composer.json
@@ -32,13 +32,13 @@
         }
     },
     "require": {
-        "php": ">=8.3",
+        "php": ">=8.1",
         "symfony/stimulus-bundle": "^2.18.1"
     },
     "require-dev": {
         "symfony/asset-mapper": "^6.4|^7.0",
         "symfony/framework-bundle": "^6.4|^7.0",
-        "symfony/phpunit-bridge": "^6.4|^7.0",
+        "symfony/phpunit-bridge": "^7.2",
         "symfony/twig-bundle": "^6.4|^7.0",
         "symfony/ux-twig-component": "^2.18",
         "symfony/ux-icons": "^2.18"
diff --git a/src/Distance/DistanceCalculator.php b/src/Distance/DistanceCalculator.php
index 46e7193..43adfca 100644
--- a/src/Distance/DistanceCalculator.php
+++ b/src/Distance/DistanceCalculator.php
@@ -16,11 +16,11 @@ use Symfony\UX\Map\Point;
 /**
  * @author Simon André <smn.andre@gmail.com>
  */
-final readonly class DistanceCalculator implements DistanceCalculatorInterface
+final class DistanceCalculator implements DistanceCalculatorInterface
 {
     public function __construct(
-        private DistanceCalculatorInterface $calculator = new VincentyDistanceCalculator(),
-        private DistanceUnit $unit = DistanceUnit::Meter,
+        private readonly DistanceCalculatorInterface $calculator = new VincentyDistanceCalculator(),
+        private readonly DistanceUnit $unit = DistanceUnit::Meter,
     ) {
     }
 
diff --git a/src/Distance/HaversineDistanceCalculator.php b/src/Distance/HaversineDistanceCalculator.php
index 32b1868..f4a9fe0 100644
--- a/src/Distance/HaversineDistanceCalculator.php
+++ b/src/Distance/HaversineDistanceCalculator.php
@@ -20,7 +20,7 @@ use Symfony\UX\Map\Point;
  *
  * @author Simon André <smn.andre@gmail.com>
  */
-final readonly class HaversineDistanceCalculator implements DistanceCalculatorInterface
+final class HaversineDistanceCalculator implements DistanceCalculatorInterface
 {
     /**
      * @const float The Earth's radius in meters.
diff --git a/src/Distance/SphericalCosineDistanceCalculator.php b/src/Distance/SphericalCosineDistanceCalculator.php
index 7e5c1f6..f77716a 100644
--- a/src/Distance/SphericalCosineDistanceCalculator.php
+++ b/src/Distance/SphericalCosineDistanceCalculator.php
@@ -20,7 +20,7 @@ use Symfony\UX\Map\Point;
  *
  * @author Simon André <smn.andre@gmail.com>
  */
-final readonly class SphericalCosineDistanceCalculator implements DistanceCalculatorInterface
+final class SphericalCosineDistanceCalculator implements DistanceCalculatorInterface
 {
     /**
      * @const float The Earth's radius in meters.
diff --git a/src/Distance/VincentyDistanceCalculator.php b/src/Distance/VincentyDistanceCalculator.php
index 7a08184..db25a91 100644
--- a/src/Distance/VincentyDistanceCalculator.php
+++ b/src/Distance/VincentyDistanceCalculator.php
@@ -20,7 +20,7 @@ use Symfony\UX\Map\Point;
  *
  * @author Simon André <smn.andre@gmail.com>
  */
-final readonly class VincentyDistanceCalculator implements DistanceCalculatorInterface
+final class VincentyDistanceCalculator implements DistanceCalculatorInterface
 {
     /**
      * WS-84 ellipsoid parameters.
diff --git a/src/Icon/UxIconRenderer.php b/src/Icon/UxIconRenderer.php
index 1b99f4c..1e98120 100644
--- a/src/Icon/UxIconRenderer.php
+++ b/src/Icon/UxIconRenderer.php
@@ -18,10 +18,10 @@ use Symfony\UX\Icons\IconRendererInterface;
  *
  * @internal
  */
-readonly class UxIconRenderer
+class UxIconRenderer
 {
     public function __construct(
-        private ?IconRendererInterface $renderer,
+        private readonly ?IconRendererInterface $renderer,
     ) {
     }
 
diff --git a/src/InfoWindow.php b/src/InfoWindow.php
index f3f1cb9..7f11365 100644
--- a/src/InfoWindow.php
+++ b/src/InfoWindow.php
@@ -16,19 +16,19 @@ namespace Symfony\UX\Map;
  *
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-final readonly class InfoWindow
+final class InfoWindow
 {
     /**
      * @param array<string, mixed> $extra Extra data, can be used by the developer to store additional information and
      *                                    use them later JavaScript side
      */
     public function __construct(
-        private ?string $headerContent = null,
-        private ?string $content = null,
-        private ?Point $position = null,
-        private bool $opened = false,
-        private bool $autoClose = true,
-        private array $extra = [],
+        private readonly ?string $headerContent = null,
+        private readonly ?string $content = null,
+        private readonly ?Point $position = null,
+        private readonly bool $opened = false,
+        private readonly bool $autoClose = true,
+        private readonly array $extra = [],
     ) {
     }
 
diff --git a/src/MapOptionsNormalizer.php b/src/MapOptionsNormalizer.php
index 8233c00..2186643 100644
--- a/src/MapOptionsNormalizer.php
+++ b/src/MapOptionsNormalizer.php
@@ -26,7 +26,10 @@ use Symfony\UX\Map\Exception\UnableToNormalizeOptionsException;
  */
 final class MapOptionsNormalizer
 {
-    private const string KEY_PROVIDER = '@provider';
+    /**
+     * @var string
+     */
+    private const KEY_PROVIDER = '@provider';
 
     /**
      * @var array<string, class-string<MapOptionsInterface>>
diff --git a/src/Marker.php b/src/Marker.php
index 922bd06..ed58c48 100644
--- a/src/Marker.php
+++ b/src/Marker.php
@@ -20,19 +20,19 @@ use Symfony\UX\Map\Icon\IconType;
  *
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-final readonly class Marker implements Element
+final class Marker implements Element
 {
     /**
      * @param array<string, mixed> $extra Extra data, can be used by the developer to store additional information and
      *                                    use them later JavaScript side
      */
     public function __construct(
-        public Point $position,
-        public ?string $title = null,
-        public ?InfoWindow $infoWindow = null,
-        public array $extra = [],
-        public ?string $id = null,
-        public ?Icon $icon = null,
+        public readonly Point $position,
+        public readonly ?string $title = null,
+        public readonly ?InfoWindow $infoWindow = null,
+        public readonly array $extra = [],
+        public readonly ?string $id = null,
+        public readonly ?Icon $icon = null,
     ) {
     }
 
diff --git a/src/Point.php b/src/Point.php
index 864041e..283f95b 100644
--- a/src/Point.php
+++ b/src/Point.php
@@ -18,11 +18,11 @@ use Symfony\UX\Map\Exception\InvalidArgumentException;
  *
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-final readonly class Point
+final class Point
 {
     public function __construct(
-        public float $latitude,
-        public float $longitude,
+        public readonly float $latitude,
+        public readonly float $longitude,
     ) {
         if ($latitude < -90 || $latitude > 90) {
             throw new InvalidArgumentException(\sprintf('Latitude must be between -90 and 90 degrees, "%s" given.', $latitude));
diff --git a/src/Polygon.php b/src/Polygon.php
index 4faaf7e..1d526a1 100644
--- a/src/Polygon.php
+++ b/src/Polygon.php
@@ -18,17 +18,17 @@ use Symfony\UX\Map\Exception\InvalidArgumentException;
  *
  * @author [Pierre Svgnt]
  */
-final readonly class Polygon implements Element
+final class Polygon implements Element
 {
     /**
      * @param array<string, mixed> $extra Extra data, can be used by the developer to store additional information and use them later JavaScript side
      */
     public function __construct(
-        private array $points,
-        private ?string $title = null,
-        private ?InfoWindow $infoWindow = null,
-        private array $extra = [],
-        public ?string $id = null,
+        private readonly array $points,
+        private readonly ?string $title = null,
+        private readonly ?InfoWindow $infoWindow = null,
+        private readonly array $extra = [],
+        public readonly ?string $id = null,
     ) {
     }
 
diff --git a/src/Polyline.php b/src/Polyline.php
index 15b1b77..9a51e62 100644
--- a/src/Polyline.php
+++ b/src/Polyline.php
@@ -18,17 +18,17 @@ use Symfony\UX\Map\Exception\InvalidArgumentException;
  *
  * @author [Sylvain Blondeau]
  */
-final readonly class Polyline implements Element
+final class Polyline implements Element
 {
     /**
      * @param array<string, mixed> $extra Extra data, can be used by the developer to store additional information and use them later JavaScript side
      */
     public function __construct(
-        private array $points,
-        private ?string $title = null,
-        private ?InfoWindow $infoWindow = null,
-        private array $extra = [],
-        public ?string $id = null,
+        private readonly array $points,
+        private readonly ?string $title = null,
+        private readonly ?InfoWindow $infoWindow = null,
+        private readonly array $extra = [],
+        public readonly ?string $id = null,
     ) {
     }
 
diff --git a/src/Renderer/AbstractRenderer.php b/src/Renderer/AbstractRenderer.php
index 8b2ef9f..ad3ba43 100644
--- a/src/Renderer/AbstractRenderer.php
+++ b/src/Renderer/AbstractRenderer.php
@@ -20,11 +20,11 @@ use Symfony\UX\StimulusBundle\Helper\StimulusHelper;
 /**
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-abstract readonly class AbstractRenderer implements RendererInterface
+abstract class AbstractRenderer implements RendererInterface
 {
     public function __construct(
-        private StimulusHelper $stimulus,
-        private UxIconRenderer $uxIconRenderer,
+        private readonly StimulusHelper $stimulus,
+        private readonly UxIconRenderer $uxIconRenderer,
     ) {
     }
 
diff --git a/src/Renderer/Dsn.php b/src/Renderer/Dsn.php
index ecac16d..adde1ab 100644
--- a/src/Renderer/Dsn.php
+++ b/src/Renderer/Dsn.php
@@ -16,13 +16,13 @@ use Symfony\UX\Map\Exception\InvalidArgumentException;
 /**
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-final readonly class Dsn
+final class Dsn
 {
-    private string $scheme;
-    private string $host;
-    private ?string $user;
-    private array $options;
-    private string $originalDsn;
+    private readonly string $scheme;
+    private readonly string $host;
+    private readonly ?string $user;
+    private readonly array $options;
+    private readonly string $originalDsn;
 
     public function __construct(#[\SensitiveParameter] string $dsn)
     {
diff --git a/src/Renderer/NullRenderer.php b/src/Renderer/NullRenderer.php
index 76ab4a2..772a3d7 100644
--- a/src/Renderer/NullRenderer.php
+++ b/src/Renderer/NullRenderer.php
@@ -19,10 +19,10 @@ use Symfony\UX\Map\Map;
  *
  * @internal
  */
-final readonly class NullRenderer implements RendererInterface
+final class NullRenderer implements RendererInterface
 {
     public function __construct(
-        private array $availableBridges = [],
+        private readonly array $availableBridges = [],
     ) {
     }
 
diff --git a/src/Renderer/NullRendererFactory.php b/src/Renderer/NullRendererFactory.php
index 0d2c28a..e27ccff 100644
--- a/src/Renderer/NullRendererFactory.php
+++ b/src/Renderer/NullRendererFactory.php
@@ -13,13 +13,13 @@ namespace Symfony\UX\Map\Renderer;
 
 use Symfony\UX\Map\Exception\UnsupportedSchemeException;
 
-final readonly class NullRendererFactory implements RendererFactoryInterface
+final class NullRendererFactory implements RendererFactoryInterface
 {
     /**
      * @param array<string> $availableBridges
      */
     public function __construct(
-        private array $availableBridges = [],
+        private readonly array $availableBridges = [],
     ) {
     }
 
diff --git a/src/Renderer/Renderer.php b/src/Renderer/Renderer.php
index ca2da7f..6f230d6 100644
--- a/src/Renderer/Renderer.php
+++ b/src/Renderer/Renderer.php
@@ -18,13 +18,13 @@ use Symfony\UX\Map\Exception\UnsupportedSchemeException;
  *
  * @internal
  */
-final readonly class Renderer
+final class Renderer
 {
     public function __construct(
         /**
          * @param iterable<RendererFactoryInterface> $factories
          */
-        private iterable $factories,
+        private readonly iterable $factories,
     ) {
     }
 
diff --git a/tests/DummyOptions.php b/tests/DummyOptions.php
index f04acc9..04c1f8f 100644
--- a/tests/DummyOptions.php
+++ b/tests/DummyOptions.php
@@ -16,11 +16,11 @@ namespace Symfony\UX\Map\Tests;
 use Symfony\UX\Map\MapOptionsInterface;
 use Symfony\UX\Map\MapOptionsNormalizer;
 
-final readonly class DummyOptions implements MapOptionsInterface
+final class DummyOptions implements MapOptionsInterface
 {
     public function __construct(
-        private string $mapId,
-        private string $mapType,
+        private readonly string $mapId,
+        private readonly string $mapType,
     ) {
     }
 
diff --git a/tests/Twig/MapExtensionTest.php b/tests/Twig/MapExtensionTest.php
index e78e0ec..c9850f1 100644
--- a/tests/Twig/MapExtensionTest.php
+++ b/tests/Twig/MapExtensionTest.php
@@ -80,8 +80,9 @@ class MapExtensionTest extends KernelTestCase
         if (class_exists(DeprecatedCallableInfo::class)) {
             $this->expectDeprecation('Since symfony/ux-map 2.20: Twig Function "render_map" is deprecated; use "ux_map" instead in test at line 1.');
         } else {
-            $this->expectDeprecation('Since symfony/ux-map 2.20: Twig Function "render_map" is deprecated. Use "ux_map" instead in test at line 1.');
+            $this->expectDeprecation('Twig Function "render_map" is deprecated since version 2.20. Use "ux_map" instead in test at line 1.');
         }
+
         $html = $twig->render('test', ['map' => $map]);
         $this->assertSame('<map/>', $html);
     }
@@ -103,7 +104,7 @@ class MapExtensionTest extends KernelTestCase
         self::getContainer()->set('test.ux_map.renderers', $renderer);
 
         $twig = self::getContainer()->get('twig');
-        $template = $twig->createTemplate('{{ ux_map(center: {lat: 5, lng: 10}, zoom: 4, attributes: attributes) }}');
+        $template = $twig->createTemplate('{{ ux_map(center={lat: 5, lng: 10}, zoom=4, attributes=attributes) }}');
 
         $this->assertSame(
             '<div data-controller="@symfony/ux-foobar-map"></div>',