diff --git a/build/integration/composer.json b/build/integration/composer.json
index 8a09ed9365dee..a574d9cad2826 100644
--- a/build/integration/composer.json
+++ b/build/integration/composer.json
@@ -2,7 +2,7 @@
   "require-dev": {
     "phpunit/phpunit": "~6.5",
     "behat/behat": "~3.10.0",
-    "guzzlehttp/guzzle": "6.5.2",
+    "guzzlehttp/guzzle": "7.4.1",
     "jarnaiz/behat-junit-formatter": "^1.3",
     "sabre/dav": "4.3.1",
     "symfony/event-dispatcher": "~5.3"
diff --git a/build/integration/features/bootstrap/Avatar.php b/build/integration/features/bootstrap/Avatar.php
index 56bf3b5da0f50..6e59beeb7de92 100644
--- a/build/integration/features/bootstrap/Avatar.php
+++ b/build/integration/features/bootstrap/Avatar.php
@@ -109,7 +109,7 @@ public function loggedInUserGetsTemporaryAvatarWith(string $statusCode) {
 	 * @param string $source
 	 */
 	public function loggedInUserPostsTemporaryAvatarFromFile(string $source) {
-		$file = \GuzzleHttp\Psr7\stream_for(fopen($source, 'r'));
+		$file = \GuzzleHttp\Psr7\Utils::streamFor(fopen($source, 'r'));
 
 		$this->sendingAToWithRequesttoken('POST', '/index.php/avatar',
 			[
diff --git a/build/integration/features/bootstrap/ChecksumsContext.php b/build/integration/features/bootstrap/ChecksumsContext.php
index 75b9734e0aaed..ae44fcb15034c 100644
--- a/build/integration/features/bootstrap/ChecksumsContext.php
+++ b/build/integration/features/bootstrap/ChecksumsContext.php
@@ -79,7 +79,7 @@ private function getPasswordForUser($userName) {
 	 * @param string $checksum
 	 */
 	public function userUploadsFileToWithChecksum($user, $source, $destination, $checksum) {
-		$file = \GuzzleHttp\Psr7\stream_for(fopen($source, 'r'));
+		$file = \GuzzleHttp\Psr7\Utils::streamFor(fopen($source, 'r'));
 		try {
 			$this->response = $this->client->put(
 				$this->baseUrl . '/remote.php/webdav' . $destination,
diff --git a/build/integration/features/bootstrap/FilesDropContext.php b/build/integration/features/bootstrap/FilesDropContext.php
index d360f51896892..a5d4dad14e3df 100644
--- a/build/integration/features/bootstrap/FilesDropContext.php
+++ b/build/integration/features/bootstrap/FilesDropContext.php
@@ -51,7 +51,7 @@ public function droppingFileWith($path, $content) {
 		$options['headers'] = [
 			'X-REQUESTED-WITH' => 'XMLHttpRequest'
 		];
-		$options['body'] = \GuzzleHttp\Psr7\stream_for($content);
+		$options['body'] = \GuzzleHttp\Psr7\Utils::streamFor($content);
 
 		try {
 			$this->response = $client->request('PUT', $fullUrl, $options);
diff --git a/build/integration/features/bootstrap/WebDav.php b/build/integration/features/bootstrap/WebDav.php
index 93602968fb1a1..3ea4831f42cab 100644
--- a/build/integration/features/bootstrap/WebDav.php
+++ b/build/integration/features/bootstrap/WebDav.php
@@ -493,7 +493,7 @@ public function checkElementList($user, $expectedElements) {
 	 * @param string $destination
 	 */
 	public function userUploadsAFileTo($user, $source, $destination) {
-		$file = \GuzzleHttp\Psr7\stream_for(fopen($source, 'r'));
+		$file = \GuzzleHttp\Psr7\Utils::streamFor(fopen($source, 'r'));
 		try {
 			$this->response = $this->makeDavRequest($user, "PUT", $destination, [], $file);
 		} catch (\GuzzleHttp\Exception\ServerException $e) {
@@ -525,7 +525,7 @@ public function userAddsAFileTo($user, $bytes, $destination) {
 	 * @When User :user uploads file with content :content to :destination
 	 */
 	public function userUploadsAFileWithContentTo($user, $content, $destination) {
-		$file = \GuzzleHttp\Psr7\stream_for($content);
+		$file = \GuzzleHttp\Psr7\Utils::streamFor($content);
 		try {
 			$this->response = $this->makeDavRequest($user, "PUT", $destination, [], $file);
 		} catch (\GuzzleHttp\Exception\ServerException $e) {
@@ -583,7 +583,7 @@ public function userCreatedAFolder($user, $destination) {
 	 */
 	public function userUploadsChunkFileOfWithToWithChecksum($user, $num, $total, $data, $destination) {
 		$num -= 1;
-		$data = \GuzzleHttp\Psr7\stream_for($data);
+		$data = \GuzzleHttp\Psr7\Utils::streamFor($data);
 		$file = $destination . '-chunking-42-' . $total . '-' . $num;
 		$this->makeDavRequest($user, 'PUT', $file, ['OC-Chunked' => '1'], $data, "uploads");
 	}
@@ -654,7 +654,7 @@ public function userCreatesANewChunkingUploadWithId($user, $id) {
 	 * @Given user :user uploads new chunk file :num with :data to id :id
 	 */
 	public function userUploadsNewChunkFileOfWithToId($user, $num, $data, $id) {
-		$data = \GuzzleHttp\Psr7\stream_for($data);
+		$data = \GuzzleHttp\Psr7\Utils::streamFor($data);
 		$destination = '/uploads/' . $user . '/' . $id . '/' . $num;
 		$this->makeDavRequest($user, 'PUT', $destination, [], $data, "uploads");
 	}