diff --git a/AbstractBrowser.php b/AbstractBrowser.php
index 1269fcb..e294c44 100644
--- a/AbstractBrowser.php
+++ b/AbstractBrowser.php
@@ -413,13 +413,11 @@ public function request(string $method, string $uri, array $parameters = [], arr
      *
      * @psalm-param TRequest $request
      *
-     * @return object
-     *
      * @psalm-return TResponse
      *
      * @throws \RuntimeException When processing returns exit code
      */
-    protected function doRequestInProcess(object $request)
+    protected function doRequestInProcess(object $request): object
     {
         $deprecationsFile = tempnam(sys_get_temp_dir(), 'deprec');
         putenv('SYMFONY_DEPRECATIONS_SERIALIZE='.$deprecationsFile);
@@ -452,11 +450,9 @@ protected function doRequestInProcess(object $request)
      *
      * @psalm-param TRequest $request
      *
-     * @return object
-     *
      * @psalm-return TResponse
      */
-    abstract protected function doRequest(object $request);
+    abstract protected function doRequest(object $request): object;
 
     /**
      * Returns the script to execute when the request must be insulated.
@@ -465,11 +461,9 @@ abstract protected function doRequest(object $request);
      *
      * @param object $request An origin request instance
      *
-     * @return string
-     *
      * @throws LogicException When this abstract class is not implemented
      */
-    protected function getScript(object $request)
+    protected function getScript(object $request): string
     {
         throw new LogicException('To insulate requests, you need to override the getScript() method.');
     }
@@ -477,11 +471,9 @@ protected function getScript(object $request)
     /**
      * Filters the BrowserKit request to the origin one.
      *
-     * @return object
-     *
      * @psalm-return TRequest
      */
-    protected function filterRequest(Request $request)
+    protected function filterRequest(Request $request): object
     {
         return $request;
     }
@@ -490,10 +482,8 @@ protected function filterRequest(Request $request)
      * Filters the origin response to the BrowserKit one.
      *
      * @psalm-param TResponse $response
-     *
-     * @return Response
      */
-    protected function filterResponse(object $response)
+    protected function filterResponse(object $response): Response
     {
         return $response;
     }
diff --git a/composer.json b/composer.json
index e145984..b9e526f 100644
--- a/composer.json
+++ b/composer.json
@@ -16,14 +16,14 @@
         }
     ],
     "require": {
-        "php": ">=8.2",
-        "symfony/dom-crawler": "^6.4|^7.0"
+        "php": ">=8.4",
+        "symfony/dom-crawler": "^7.4|^8.0"
     },
     "require-dev": {
-        "symfony/css-selector": "^6.4|^7.0",
-        "symfony/http-client": "^6.4|^7.0",
-        "symfony/mime": "^6.4|^7.0",
-        "symfony/process": "^6.4|^7.0"
+        "symfony/css-selector": "^7.4|^8.0",
+        "symfony/http-client": "^7.4|^8.0",
+        "symfony/mime": "^7.4|^8.0",
+        "symfony/process": "^7.4|^8.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\BrowserKit\\": "" },