diff --git a/composer.json b/composer.json
index c8f068a..0724aa1 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,8 @@
     "sort-packages": true,
     "allow-plugins": {
       "symfony/runtime": true,
-      "composer/package-versions-deprecated": true
+      "composer/package-versions-deprecated": true,
+      "php-http/discovery": false
     }
   }
 }
diff --git a/src/Context/SuluArticleContext.php b/src/Context/SuluArticleContext.php
index 8741276..b495a20 100644
--- a/src/Context/SuluArticleContext.php
+++ b/src/Context/SuluArticleContext.php
@@ -18,7 +18,7 @@
  *
  * @author Hannes Giesenow <hannes.giesenow@elbformat.de>
  */
-final class SuluArticleContext extends AbstractPhpCrContext
+class SuluArticleContext extends AbstractPhpCrContext
 {
     protected ?ArticleDocument $lastDocument = null;
 
diff --git a/src/Context/SuluFormContext.php b/src/Context/SuluFormContext.php
index 430c759..3874e82 100644
--- a/src/Context/SuluFormContext.php
+++ b/src/Context/SuluFormContext.php
@@ -16,7 +16,7 @@
  *
  * @author Hannes Giesenow <hannes.giesenow@elbformat.de>
  */
-final class SuluFormContext extends AbstractSuluContext
+class SuluFormContext extends AbstractSuluContext
 {
     protected FormManager $formManager;
     protected ?Form $lastForm = null;
diff --git a/src/Context/SuluMediaContext.php b/src/Context/SuluMediaContext.php
index cbaccc9..a7ee50b 100644
--- a/src/Context/SuluMediaContext.php
+++ b/src/Context/SuluMediaContext.php
@@ -16,7 +16,7 @@
  *
  * @author Hannes Giesenow <hannes.giesenow@elbformat.de>
  */
-final class SuluMediaContext extends AbstractSuluContext
+class SuluMediaContext extends AbstractSuluContext
 {
     protected MediaManagerInterface $mediaManager;
     protected CollectionManagerInterface $collectionManager;
diff --git a/src/Context/SuluPageContext.php b/src/Context/SuluPageContext.php
index 9d64cae..f51e088 100644
--- a/src/Context/SuluPageContext.php
+++ b/src/Context/SuluPageContext.php
@@ -13,7 +13,7 @@
  *
  * @author Hannes Giesenow <hannes.giesenow@elbformat.de>
  */
-final class SuluPageContext extends AbstractPhpCrContext
+class SuluPageContext extends AbstractPhpCrContext
 {
     protected ?PageDocument $lastDocument = null;
 
diff --git a/src/Context/SuluSnippetContext.php b/src/Context/SuluSnippetContext.php
index 8828864..6dbd304 100644
--- a/src/Context/SuluSnippetContext.php
+++ b/src/Context/SuluSnippetContext.php
@@ -20,7 +20,7 @@
  *
  * @author Jens Stapelfeldt <jst@elbformat.de>
  */
-final class SuluSnippetContext extends AbstractPhpCrContext
+class SuluSnippetContext extends AbstractPhpCrContext
 {
     protected ?SnippetDocument $lastDocument = null;
     protected DefaultSnippetManagerInterface $defaultSnippetManager;
diff --git a/src/SuluExtension.php b/src/SuluExtension.php
index fbdfd0c..4293d4c 100644
--- a/src/SuluExtension.php
+++ b/src/SuluExtension.php
@@ -38,7 +38,7 @@ public function configure(ArrayNodeDefinition $builder): void
             ->addDefaultsIfNotSet()
             ->children()
             ->scalarNode('context')->defaultNull()
-            ;
+        ;
     }
 
     public function load(ContainerBuilder $container, array $config): void