diff --git a/composer.json b/composer.json
index 851bc29..bfa6d43 100644
--- a/composer.json
+++ b/composer.json
@@ -3,11 +3,11 @@
     "description": "Symfony bundle for lamoda/tactician-rate-limit library",
     "type": "symfony-bundle",
     "require": {
-        "symfony/dependency-injection": "^3.4 || ^4.0",
-        "symfony/http-kernel": "^3.4 || ^4.0",
-        "symfony/config": "^3.4 || ^4.0",
+        "symfony/dependency-injection": "^3.4 || ^4.0 || ^5.0",
+        "symfony/http-kernel": "^3.4 || ^4.0 || ^5.0",
+        "symfony/config": "^3.4 || ^4.0 || ^5.0",
         "lamoda/tactician-rate-limit": "^0.1.0",
-        "symfony/yaml": "^3.4 || ^4.0"
+        "symfony/yaml": "^3.4 || ^4.0 || ^5.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.2",
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index e21ce76..3351d80 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -11,9 +11,12 @@ final class Configuration implements ConfigurationInterface
 {
     public function getConfigTreeBuilder(): TreeBuilder
     {
-        $builder = new TreeBuilder();
+        $builder = new TreeBuilder('lamoda_tactician_rate_limit');
 
-        $root = $builder->root('lamoda_tactician_rate_limit');
+        // Keep compatibility with symfony/config < 4.2
+        $root = method_exists(TreeBuilder::class, 'getRootNode')
+            ? $builder->getRootNode()
+            : $builder->root('lamoda_tactician_rate_limit');
 
         $root
             ->children()