diff --git a/src/Client.php b/src/Client.php
index deb0f48b..9a8a4752 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -17,6 +17,7 @@
 use MeiliSearch\Endpoints\Tasks;
 use MeiliSearch\Endpoints\Version;
 use Psr\Http\Client\ClientInterface;
+use Psr\Http\Message\RequestFactoryInterface;
 
 class Client
 {
@@ -35,9 +36,13 @@ class Client
     private Tasks $tasks;
     private Dumps $dumps;
 
-    public function __construct(string $url, string $apiKey = null, ClientInterface $httpClient = null)
-    {
-        $this->http = new Http\Client($url, $apiKey, $httpClient);
+    public function __construct(
+        string $url,
+        string $apiKey = null,
+        ClientInterface $httpClient = null,
+        RequestFactoryInterface $requestFactory = null
+    ) {
+        $this->http = new Http\Client($url, $apiKey, $httpClient, $requestFactory);
         $this->index = new Indexes($this->http);
         $this->health = new Health($this->http);
         $this->version = new Version($this->http);
diff --git a/src/Http/Client.php b/src/Http/Client.php
index 6c692a30..84c1dc6c 100644
--- a/src/Http/Client.php
+++ b/src/Http/Client.php
@@ -13,6 +13,7 @@
 use MeiliSearch\Exceptions\JsonDecodingException;
 use MeiliSearch\Exceptions\JsonEncodingException;
 use MeiliSearch\Http\Serialize\Json;
+use MeiliSearch\MeiliSearch;
 use Psr\Http\Client\ClientExceptionInterface;
 use Psr\Http\Client\ClientInterface;
 use Psr\Http\Client\NetworkExceptionInterface;
@@ -34,15 +35,20 @@ class Client implements Http
     /**
      * Client constructor.
      */
-    public function __construct(string $url, string $apiKey = null, ClientInterface $httpClient = null)
-    {
+    public function __construct(
+        string $url,
+        string $apiKey = null,
+        ClientInterface $httpClient = null,
+        RequestFactoryInterface $reqFactory = null
+    ) {
         $this->baseUrl = $url;
         $this->apiKey = $apiKey;
         $this->http = $httpClient ?? Psr18ClientDiscovery::find();
-        $this->requestFactory = Psr17FactoryDiscovery::findRequestFactory();
+        $this->requestFactory = $reqFactory ?? Psr17FactoryDiscovery::findRequestFactory();
         $this->streamFactory = Psr17FactoryDiscovery::findStreamFactory();
         $this->headers = array_filter([
             'Authorization' => sprintf('Bearer %s', $this->apiKey),
+            'User-Agent' => MeiliSearch::qualifiedVersion(),
         ]);
         $this->json = new Json();
     }
diff --git a/tests/Http/ClientTest.php b/tests/Http/ClientTest.php
index a8b1f63c..83ed1a56 100644
--- a/tests/Http/ClientTest.php
+++ b/tests/Http/ClientTest.php
@@ -9,9 +9,11 @@
 use MeiliSearch\Exceptions\JsonDecodingException;
 use MeiliSearch\Exceptions\JsonEncodingException;
 use MeiliSearch\Http\Client;
+use MeiliSearch\MeiliSearch;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Client\ClientInterface;
+use Psr\Http\Message\RequestFactoryInterface;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\StreamInterface;
@@ -191,6 +193,35 @@ public function testInvalidResponseContentTypeThrowsException(): void
         $client->get('/');
     }
 
+    public function testClientHasDefaultUserAgent(): void
+    {
+        $httpClient = $this->createHttpClientMock(200, '{}');
+        $reqFactory = $this->createMock(RequestFactoryInterface::class);
+        $requestStub = $this->createMock(RequestInterface::class);
+
+        $requestStub->expects($this->any())
+            ->method('withAddedHeader')
+            ->withConsecutive(
+                [
+                    $this->equalTo('Authorization'),
+                    $this->equalTo('Bearer masterKey'),
+                ],
+                [
+                    $this->equalTo('User-Agent'),
+                    $this->equalTo(MeiliSearch::qualifiedVersion()),
+                ],
+              )
+            ->willReturnOnConsecutiveCalls($requestStub, $requestStub);
+
+        $reqFactory->expects($this->any())
+            ->method('createRequest')
+            ->willReturn($requestStub);
+
+        $client = new \MeiliSearch\Client('http://localhost:7070', 'masterKey', $httpClient, $reqFactory);
+
+        $client->health();
+    }
+
     public function testParseResponseReturnsNullForNoContent(): void
     {
         $response = $this->createMock(ResponseInterface::class);