diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d01c2583..de190717 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -146,7 +146,7 @@ _[Read more about this](https://github.com/meilisearch/integration-guides/blob/m
 
 Make a PR modifying the file [`src/MeiliSearchBundle.php`](/src/MeiliSearchBundle.php) with the right version.
 
-```ruby
+```php
 VERSION = 'X.X.X'
 ```
 
diff --git a/composer.json b/composer.json
index 3ab58cae..a2493f21 100644
--- a/composer.json
+++ b/composer.json
@@ -1,69 +1,70 @@
 {
-    "name": "meilisearch/search-bundle",
-    "description": "Seamless integration of Meilisearch into your Symfony project.",
-    "keywords": [
-        "meilisearch",
-        "instant",
-        "search",
-        "api",
-        "symfony",
-        "bundle"
-    ],
-    "type": "symfony-bundle",
-    "license": "MIT",
-    "authors": [
-        {
-            "name": "David Sanchez",
-            "email": "david38sanchez@gmail.com"
-        }
-    ],
-    "require": {
-        "php": "^7.4|^8.0",
-        "ext-json": "*",
-        "doctrine/doctrine-bundle": "^2.4",
-        "illuminate/collections": "^8.47",
-        "meilisearch/meilisearch-php": "^0.24.0",
-        "symfony/filesystem": "^4.4 || ^5.0 || ^6.0",
-        "symfony/property-access": "^4.4 || ^5.0 || ^6.0",
-        "symfony/serializer": "^4.4 || ^5.0 || ^6.0"
-    },
-    "require-dev": {
-        "doctrine/orm": "^2.9",
-        "friendsofphp/php-cs-fixer": "^3.0",
-        "nyholm/psr7": "^1.3",
-        "phpstan/extension-installer": "^1.1",
-        "phpstan/phpstan": "^0.12.90",
-        "phpstan/phpstan-doctrine": "^0.12.39",
-        "phpstan/phpstan-phpunit": "^0.12.20",
-        "phpstan/phpstan-symfony": "^0.12.37",
-        "phpunit/php-code-coverage": "^9.2",
-        "phpunit/phpunit": "^9.5",
-        "symfony/doctrine-bridge": "^4.4 || ^5.0 || ^6.0",
-        "symfony/http-client": "^4.4 || ^5.0 || ^6.0",
-        "symfony/phpunit-bridge": "^4.4 || ^5.0 || ^6.0",
-        "symfony/yaml": "^4.4 || ^5.0 || ^6.0"
-    },
-    "autoload": {
-        "psr-4": {
-            "MeiliSearch\\Bundle\\": "src/"
-        }
-    },
-    "autoload-dev": {
-        "psr-4": {
-            "MeiliSearch\\Bundle\\Test\\": "tests/"
-        }
-    },
-    "config": {
-        "sort-packages": true,
-        "allow-plugins": {
-            "phpstan/extension-installer": true
-        }
-    },
-    "scripts": {
-        "phpstan": "./vendor/bin/phpstan --memory-limit=1G --ansi",
-        "test:unit": "./vendor/bin/phpunit --colors=always --verbose",
-        "test:unit:coverage": "XDEBUG_MODE=coverage ./vendor/bin/phpunit --colors=always --coverage-html=tests/coverage",
-        "lint:check": "./vendor/bin/php-cs-fixer fix -v --using-cache=no --dry-run",
-        "lint:fix": "./vendor/bin/php-cs-fixer fix -v --using-cache=no"
+  "name": "meilisearch/search-bundle",
+  "description": "Seamless integration of Meilisearch into your Symfony project.",
+  "keywords": [
+    "meilisearch",
+    "instant",
+    "search",
+    "api",
+    "symfony",
+    "bundle"
+  ],
+  "type": "symfony-bundle",
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "David Sanchez",
+      "email": "david38sanchez@gmail.com"
     }
+  ],
+  "require": {
+    "php": "^7.4|^8.0",
+    "ext-json": "*",
+    "doctrine/doctrine-bundle": "^2.4",
+    "illuminate/collections": "^8.47",
+    "meilisearch/meilisearch-php": "^0.24.2",
+    "symfony/filesystem": "^4.4 || ^5.0 || ^6.0",
+    "symfony/property-access": "^4.4 || ^5.0 || ^6.0",
+    "symfony/serializer": "^4.4 || ^5.0 || ^6.0"
+  },
+  "require-dev": {
+    "doctrine/orm": "^2.9",
+    "friendsofphp/php-cs-fixer": "^3.0",
+    "nyholm/psr7": "^1.3",
+    "phpstan/extension-installer": "^1.1",
+    "phpstan/phpstan": "^0.12.90",
+    "phpstan/phpstan-doctrine": "^0.12.39",
+    "phpstan/phpstan-phpunit": "^0.12.20",
+    "phpstan/phpstan-symfony": "^0.12.37",
+    "phpunit/php-code-coverage": "^9.2",
+    "phpunit/phpunit": "^9.5",
+    "symfony/doctrine-bridge": "^4.4 || ^5.0 || ^6.0",
+    "symfony/http-client": "^4.4 || ^5.0 || ^6.0",
+    "symfony/phpunit-bridge": "^4.4 || ^5.0 || ^6.0",
+    "symfony/yaml": "^4.4 || ^5.0 || ^6.0",
+    "matthiasnoback/symfony-dependency-injection-test": "^4.3"
+  },
+  "autoload": {
+    "psr-4": {
+      "MeiliSearch\\Bundle\\": "src/"
+    }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "MeiliSearch\\Bundle\\Test\\": "tests/"
+    }
+  },
+  "config": {
+    "sort-packages": true,
+    "allow-plugins": {
+      "phpstan/extension-installer": true
+    }
+  },
+  "scripts": {
+    "phpstan": "./vendor/bin/phpstan --memory-limit=1G --ansi",
+    "test:unit": "./vendor/bin/phpunit --colors=always --verbose",
+    "test:unit:coverage": "XDEBUG_MODE=coverage ./vendor/bin/phpunit --colors=always --coverage-html=tests/coverage",
+    "lint:check": "./vendor/bin/php-cs-fixer fix -v --using-cache=no --dry-run",
+    "lint:fix": "./vendor/bin/php-cs-fixer fix -v --using-cache=no"
+  }
 }
diff --git a/src/DependencyInjection/MeiliSearchExtension.php b/src/DependencyInjection/MeiliSearchExtension.php
index cf95a547..96e30062 100644
--- a/src/DependencyInjection/MeiliSearchExtension.php
+++ b/src/DependencyInjection/MeiliSearchExtension.php
@@ -5,6 +5,7 @@
 namespace MeiliSearch\Bundle\DependencyInjection;
 
 use MeiliSearch\Bundle\Engine;
+use MeiliSearch\Bundle\MeiliSearchBundle;
 use MeiliSearch\Bundle\Services\MeiliSearchService;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -29,12 +30,13 @@ public function load(array $configs, ContainerBuilder $container): void
         $configuration = new Configuration();
         $config = $this->processConfiguration($configuration, $configs);
 
-        if (null === $config['prefix']) {
+        if (null === $config['prefix'] && $container->hasParameter('kernel.environment')) {
             $config['prefix'] = $container->getParameter('kernel.environment').'_';
         }
 
-        $container->setParameter('meili_url', $config['url']);
-        $container->setParameter('meili_api_key', $config['api_key']);
+        $container->setParameter('meili_url', $config['url'] ?? null);
+        $container->setParameter('meili_api_key', $config['api_key'] ?? null);
+        $container->setParameter('meili_symfony_version', MeiliSearchBundle::qualifiedVersion());
 
         if (\count($doctrineSubscribedEvents = $config['doctrineSubscribedEvents']) > 0) {
             $container->getDefinition('search.search_indexer_subscriber')->setArgument(1, $doctrineSubscribedEvents);
diff --git a/src/MeiliSearchBundle.php b/src/MeiliSearchBundle.php
index 92dfeb70..fb55091d 100644
--- a/src/MeiliSearchBundle.php
+++ b/src/MeiliSearchBundle.php
@@ -12,4 +12,9 @@
 final class MeiliSearchBundle extends Bundle
 {
     public const VERSION = '0.8.0';
+
+    public static function qualifiedVersion()
+    {
+        return sprintf('Meilisearch Symfony (v%s)', MeiliSearchBundle::VERSION);
+    }
 }
diff --git a/src/Resources/config/services.xml b/src/Resources/config/services.xml
index 00f241ef..2bd3bac2 100644
--- a/src/Resources/config/services.xml
+++ b/src/Resources/config/services.xml
@@ -21,6 +21,9 @@
             <argument key="$url">%meili_url%</argument>
             <argument key="$apiKey">%meili_api_key%</argument>
             <argument key="$httpClient" type="service" id="psr18.http_client" on-invalid="ignore" />
+            <argument key="$clientAgents" type="collection">
+                <argument>%meili_symfony_version%</argument>
+            </argument>
         </service>
 
         <service id="MeiliSearch\Client" alias="search.client"/>
diff --git a/tests/Integration/DependencyInjectionTest.php b/tests/Integration/DependencyInjectionTest.php
new file mode 100644
index 00000000..c04a898e
--- /dev/null
+++ b/tests/Integration/DependencyInjectionTest.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+use Matthias\SymfonyDependencyInjectionTest\PhpUnit\AbstractExtensionTestCase;
+use MeiliSearch\Bundle\DependencyInjection\MeiliSearchExtension;
+use MeiliSearch\Bundle\MeiliSearchBundle;
+
+class MeiliSearchExtensionTest extends AbstractExtensionTestCase
+{
+    protected function getContainerExtensions(): array
+    {
+        return [
+            new MeiliSearchExtension(),
+        ];
+    }
+
+    public function testHasMeilisearchVersionDefinitionAfterLoad(): void
+    {
+        $this->load();
+
+        $this->assertContainerBuilderHasServiceDefinitionWithArgument('search.client', '$clientAgents', ['%meili_symfony_version%']);
+    }
+
+    public function testHasMeilisearchVersionFromConstantAfterLoad(): void
+    {
+        $this->load();
+
+        $this->assertContainerBuilderHasParameter('meili_symfony_version', MeiliSearchBundle::qualifiedVersion());
+    }
+}