diff --git a/README.md b/README.md
index 967832b..ac2dd91 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,9 @@ This bundle supports the following Oro Platform versions:
 * Oro Platform v4.2.x
     - Support for this version is on the "v4.2.x" branch
 
+* Oro Platform v5.x
+    - Support for this version is on the "v5.x" branch
+
 The Master branch will always track support for the latest released Oro Platform version.
 
 Installation and Usage
@@ -43,14 +46,6 @@ Installation and Usage
         # locale_key:  %kernel.default_locale%
    
         # etc. Refer to the ewz_recaptcha package for more information.
-   
-    # optional, modify key values if you need to override this bundle's default settings 
-    hack_oro_recaptcha:
-        settings:
-            #theme: light
-            #size: normal
-            #protect_registration: true
-            #protect_contact_form: true
     ```
 1. Purge Oro cache:
     ```bash
diff --git a/composer.json b/composer.json
index 78191f1..6564ae7 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "description": "Oro Bundle to inject ReCAPTCHA into public forms",
     "type": "project",
     "require": {
-        "oro/platform": "4.2.*",
+        "oro/platform": "5.0.*",
         "excelwebzone/recaptcha-bundle": "^1.5"
     },
     "autoload": {
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index edc039f..e874257 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -30,8 +30,8 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root(HackOroRecaptchaExtension::ALIAS);
+        $treeBuilder = new TreeBuilder(HackOroRecaptchaExtension::ALIAS);
+        $rootNode = $treeBuilder->getRootNode();
 
         SettingsBuilder::append(
             $rootNode,
@@ -47,12 +47,15 @@ public function getConfigTreeBuilder()
         return $treeBuilder;
     }
 
-    /**
-     * @param string $key
-     * @return string
-     */
-    public static function getConfigKeyByName($key)
+
+   /**
+         * Returns full key name by it's last part
+         *
+         * @param $name string last part of the key name (one of the class cons can be used)
+         * @return string full config path key
+         */
+        public static function getConfigKeyByName($name)
     {
-        return implode(ConfigManager::SECTION_MODEL_SEPARATOR, [HackOroRecaptchaExtension::ALIAS, $key]);
+        return HackOroRecaptchaExtension::ALIAS . ConfigManager::SECTION_MODEL_SEPARATOR . $name;
     }
 }