diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48478b9..bfaea94 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 2.25
+
+-  Downgrade PHP requirement from 8.3 to 8.1
+
 ## 2.22
 
 -   Add support for configuring a default Map ID
@@ -10,7 +14,7 @@
 
 ### BC Breaks
 
--   Renamed importmap entry `@symfony/ux-google-map/map-controller` to `@symfony/ux-google-map`, 
+-   Renamed importmap entry `@symfony/ux-google-map/map-controller` to `@symfony/ux-google-map`,
     you will need to update your importmap.
 
 ## 2.19
diff --git a/composer.json b/composer.json
index 00f7704..7889f36 100644
--- a/composer.json
+++ b/composer.json
@@ -16,14 +16,15 @@
         }
     ],
     "require": {
-        "php": ">=8.3",
+        "php": ">=8.1",
         "symfony/stimulus-bundle": "^2.18.1",
         "symfony/ux-map": "^2.19"
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "^6.4|^7.0",
+        "symfony/phpunit-bridge": "^7.2",
         "symfony/ux-icons": "^2.18",
-        "spatie/phpunit-snapshot-assertions": "^5.1.8"
+        "spatie/phpunit-snapshot-assertions": "^4.2.17",
+        "phpunit/phpunit": "^9.6.22"
     },
     "autoload": {
         "psr-4": { "Symfony\\UX\\Map\\Bridge\\Google\\": "src/" },
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 4049eb2..751314e 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -12,11 +12,10 @@
             <directory suffix=".php">./src</directory>
         </include>
     </coverage>
-    
+
     <php>
         <ini name="error_reporting" value="-1"/>
         <server name="SYMFONY_DEPRECATIONS_HELPER" value="max[self]=0&amp;max[direct]=0"/>
-        <server name="SYMFONY_PHPUNIT_VERSION" value="11.5.0"/>
     </php>
 
     <testsuites>
diff --git a/src/Option/FullscreenControlOptions.php b/src/Option/FullscreenControlOptions.php
index ed58a3c..ab3df9d 100644
--- a/src/Option/FullscreenControlOptions.php
+++ b/src/Option/FullscreenControlOptions.php
@@ -18,10 +18,10 @@ namespace Symfony\UX\Map\Bridge\Google\Option;
  *
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-final readonly class FullscreenControlOptions
+final class FullscreenControlOptions
 {
     public function __construct(
-        private ControlPosition $position = ControlPosition::INLINE_END_BLOCK_START,
+        private readonly ControlPosition $position = ControlPosition::INLINE_END_BLOCK_START,
     ) {
     }
 
diff --git a/src/Option/MapTypeControlOptions.php b/src/Option/MapTypeControlOptions.php
index 11dfe82..3cc28e3 100644
--- a/src/Option/MapTypeControlOptions.php
+++ b/src/Option/MapTypeControlOptions.php
@@ -18,15 +18,15 @@ namespace Symfony\UX\Map\Bridge\Google\Option;
  *
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-final readonly class MapTypeControlOptions
+final class MapTypeControlOptions
 {
     /**
      * @param array<'hybrid'|'roadmap'|'satellite'|'terrain'|string> $mapTypeIds
      */
     public function __construct(
-        private array $mapTypeIds = [],
-        private ControlPosition $position = ControlPosition::BLOCK_START_INLINE_START,
-        private MapTypeControlStyle $style = MapTypeControlStyle::DEFAULT,
+        private readonly array $mapTypeIds = [],
+        private readonly ControlPosition $position = ControlPosition::BLOCK_START_INLINE_START,
+        private readonly MapTypeControlStyle $style = MapTypeControlStyle::DEFAULT,
     ) {
     }
 
diff --git a/src/Option/StreetViewControlOptions.php b/src/Option/StreetViewControlOptions.php
index 897c746..2fa9a89 100644
--- a/src/Option/StreetViewControlOptions.php
+++ b/src/Option/StreetViewControlOptions.php
@@ -18,10 +18,10 @@ namespace Symfony\UX\Map\Bridge\Google\Option;
  *
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-final readonly class StreetViewControlOptions
+final class StreetViewControlOptions
 {
     public function __construct(
-        private ControlPosition $position = ControlPosition::INLINE_END_BLOCK_END,
+        private readonly ControlPosition $position = ControlPosition::INLINE_END_BLOCK_END,
     ) {
     }
 
diff --git a/src/Option/ZoomControlOptions.php b/src/Option/ZoomControlOptions.php
index 644ba79..b669e5b 100644
--- a/src/Option/ZoomControlOptions.php
+++ b/src/Option/ZoomControlOptions.php
@@ -18,10 +18,10 @@ namespace Symfony\UX\Map\Bridge\Google\Option;
  *
  * @author Hugo Alliaume <hugo@alliau.me>
  */
-final readonly class ZoomControlOptions
+final class ZoomControlOptions
 {
     public function __construct(
-        private ControlPosition $position = ControlPosition::INLINE_END_BLOCK_END,
+        private readonly ControlPosition $position = ControlPosition::INLINE_END_BLOCK_END,
     ) {
     }
 
diff --git a/src/Renderer/GoogleRenderer.php b/src/Renderer/GoogleRenderer.php
index 1077e26..331137e 100644
--- a/src/Renderer/GoogleRenderer.php
+++ b/src/Renderer/GoogleRenderer.php
@@ -22,7 +22,7 @@ use Symfony\UX\StimulusBundle\Helper\StimulusHelper;
  *
  * @internal
  */
-final readonly class GoogleRenderer extends AbstractRenderer
+final class GoogleRenderer extends AbstractRenderer
 {
     /**
      * Parameters are based from https://googlemaps.github.io/js-api-loader/interfaces/LoaderOptions.html documentation.
@@ -30,20 +30,19 @@ final readonly class GoogleRenderer extends AbstractRenderer
     public function __construct(
         StimulusHelper $stimulusHelper,
         UxIconRenderer $uxIconRenderer,
-        #[\SensitiveParameter]
-        private string $apiKey,
-        private ?string $id = null,
-        private ?string $language = null,
-        private ?string $region = null,
-        private ?string $nonce = null,
-        private ?int $retries = null,
-        private ?string $url = null,
-        private ?string $version = null,
+        #[\SensitiveParameter] private readonly string $apiKey,
+        private readonly ?string $id = null,
+        private readonly ?string $language = null,
+        private readonly ?string $region = null,
+        private readonly ?string $nonce = null,
+        private readonly ?int $retries = null,
+        private readonly ?string $url = null,
+        private readonly ?string $version = null,
         /**
          * @var array<'core'|'maps'|'places'|'geocoding'|'routes'|'marker'|'geometry'|'elevation'|'streetView'|'journeySharing'|'drawing'|'visualization'>
          */
-        private array $libraries = [],
-        private ?string $defaultMapId = null,
+        private readonly array $libraries = [],
+        private readonly ?string $defaultMapId = null,
     ) {
         parent::__construct($stimulusHelper, $uxIconRenderer);
     }