diff --git a/src/Sylius/Bundle/UiBundle/DependencyInjection/Compiler/LegacySonataBlockPass.php b/src/Sylius/Bundle/UiBundle/DependencyInjection/Compiler/LegacySonataBlockPass.php
index a34710e7db..6830f946e0 100644
--- a/src/Sylius/Bundle/UiBundle/DependencyInjection/Compiler/LegacySonataBlockPass.php
+++ b/src/Sylius/Bundle/UiBundle/DependencyInjection/Compiler/LegacySonataBlockPass.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 declare(strict_types=1);
 
 namespace Sylius\Bundle\UiBundle\DependencyInjection\Compiler;
diff --git a/src/Sylius/Bundle/UiBundle/Twig/LegacySonataBlockExtension.php b/src/Sylius/Bundle/UiBundle/Twig/LegacySonataBlockExtension.php
index 02d52601b2..b3a93a710d 100644
--- a/src/Sylius/Bundle/UiBundle/Twig/LegacySonataBlockExtension.php
+++ b/src/Sylius/Bundle/UiBundle/Twig/LegacySonataBlockExtension.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 declare(strict_types=1);
 
 namespace Sylius\Bundle\UiBundle\Twig;
diff --git a/symfony.lock b/symfony.lock
index 4c4e01aaf5..c5693842ad 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -443,6 +443,9 @@
     "psr/event-dispatcher": {
         "version": "1.0.0"
     },
+    "psr/http-client": {
+        "version": "1.0.0"
+    },
     "psr/http-message": {
         "version": "1.0.1"
     },