diff --git a/composer.json b/composer.json
index 51edc74..2f2c7be 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,8 @@
         "ext-json": "*",
         "codeception/codeception": "*@dev",
         "codeception/lib-innerbrowser": "*@dev",
-        "guzzlehttp/guzzle": "^7.4",
+        "guzzlehttp/guzzle": "^7.8.2 | ^8.0",
+        "guzzlehttp/psr7": "^2.6.3 | ^3.0",
         "symfony/browser-kit": "^5.4 | ^6.0 | ^7.0 | ^8.0"
     },
     "require-dev": {
diff --git a/src/Codeception/Lib/Connector/Guzzle.php b/src/Codeception/Lib/Connector/Guzzle.php
index 9888276..7687695 100644
--- a/src/Codeception/Lib/Connector/Guzzle.php
+++ b/src/Codeception/Lib/Connector/Guzzle.php
@@ -209,11 +209,13 @@ protected function doRequest(object $request): object
                 $response = $this->client->send($guzzleRequest, $options);
             }
         } catch (RequestException $exception) {
-            if (!$exception->hasResponse()) {
+            // Guzzle 7 exposes the response on RequestException itself,
+            // Guzzle 8 only on its ResponseException subclass.
+            $response = method_exists($exception, 'getResponse') ? $exception->getResponse() : null;
+
+            if ($response === null) {
                 throw $exception;
             }
-
-            $response = $exception->getResponse();
         }
 
         // @phpstan-ignore-next-line
diff --git a/src/Codeception/Module/PhpBrowser.php b/src/Codeception/Module/PhpBrowser.php
index b8ce650..15e4631 100644
--- a/src/Codeception/Module/PhpBrowser.php
+++ b/src/Codeception/Module/PhpBrowser.php
@@ -44,7 +44,7 @@
  *            url: 'http://localhost' # Internationalized domain names (IDN) need to be passed in punycode
  *            auth: ['admin', '123345']
  *            curl:
- *                CURLOPT_RETURNTRANSFER: true
+ *                CURLOPT_TCP_KEEPALIVE: true
  *            cookies:
  *                cookie-1:
  *                    Name: userName
diff --git a/tests/unit/Codeception/Module/PhpBrowserTest.php b/tests/unit/Codeception/Module/PhpBrowserTest.php
index 2fd2c85..2db737b 100644
--- a/tests/unit/Codeception/Module/PhpBrowserTest.php
+++ b/tests/unit/Codeception/Module/PhpBrowserTest.php
@@ -397,7 +397,6 @@ public function testCurlSslOptions(): void
         $this->module->_setConfig([
             'url' => 'https://github.com',
             'curl' => [
-                'CURLOPT_NOBODY' => true,
                 'CURLOPT_SSL_CIPHER_LIST' => 'TLSv1',
             ]]);
         $this->module->_initialize();
@@ -407,7 +406,7 @@ public function testCurlSslOptions(): void
         $this->assertArrayHasKey('curl', $config);
         $this->assertArrayHasKey(CURLOPT_SSL_CIPHER_LIST, $config['curl']);
         $this->module->amOnPage('/');
-        $this->assertSame('', $this->module->_getResponseContent(), 'CURLOPT_NOBODY setting is not respected');
+        $this->module->seeResponseCodeIsSuccessful();
     }
 
     public function testHttpAuth(): void